TOILETS MISSION VIEJO CA, MISSION VIEJO TOILET, TOILETS MISSION VIEJO, TOILET REPAIR MISSION VIEJO, TOILET REPLACEMENT MISSION VIEJO, NEW TOILET MISSION VIEJO, VOTED BEST TOILETS IN ORANGE COUNTY CA, Todo, high efficiency toilets, dual flush toilets, corner toilets, one piece toilets, Whitehaus Toilets, Vitra USA Brand Toilets
 
TOILETS MISSION VIEJO
VOTED BEST TOILETS IN ORANGE COUNTY CA
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MIssion Viejo, CA 92691

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Arts Plumbing (PlumberMissionViejo.com) has been specializing in the service, repair and installation of TOILETS for OVER 25 YEARS.

We're your repair and replacement option because we have good service and honest prices. If you are curious we can also talk to you about which TOILET and brand meets your needs and how efficient it will be for you and your family. We will be glad to be of service.

Honestly, we tell you the truth because we want lifetime customers and not a quick buck. We want to be the person you call, recommend and depend on showing up for your plumbing needs and emergencies.

" HE DID A GREAT JOB!"
"Art is a very reliable plumber. He knows everythng about your plumbling and will get the job done correctly, quickly, neatly, and reasonably. He came out to our house for a leaking water heater, while we were out of state he arrived within 15 minutes of our call! He did a great job for a friend who I referred to him. I would definitely recommend art for any of your plumbing needs." - Marian, Lake Forest CA

"FIX PROBLEM QUICKLY!!"
"Thanks for taking care of my customers. As a general contractor it is very important to have the right companies to refer to your best customers. You have always shown up on time and were able to find and fix the problem very quickly and at a reasonable cost." - Pat, Lake Forest CA

"VERY CLEAN AND PROFESSIONAL!"
"I am a general contractor and Art has worked for me several times. His work is always very clean, professional and very reasonably priced. I have been told several times that Art does not always push the expensive fixes, but what is the best for the customers. I highly recommend Art for all of your plumbing needs." - Owen, Mission Viejo CA

Like most things in life, it's not quite that simple. Give us a try, we hope we can serve you with your TOILET needs so you can be happy with us and your problem is solved. Our ultimate compliment is telling somone to give use a call because we did a really good job for you!

 
 

ABOUT TOILETS

Close coupled cistern type flushing toilet.
Porcelain squat toilet, with water tank for flushing (Wuhan, China)
Flush toilets can be designed for sitting or for squatting: Top: A flush toilet designed for sitting and cistern; Bottom: A squat toilet, with water tank for flushing (Wuhan, China)

A flush toilet is a toilet that disposes of human liquid and solid waste, by using water to flush it through a drainpipe to another location for disposal, thus maintaining a separation between humans and their excreta. Flush toilets can be designed for sitting (in which case they are also called "Western" toilets) or for squatting, in the case of squat toilets. The opposite of a flush toilet is a dry toilet which uses no water for flushing.

Flush toilets usually incorporate an "S", "U", "J", or "P" shaped bend that causes the water in the toilet bowl to collect and act as a seal against sewer gases. Since flush toilets are typically not designed to handle waste on site, their drain pipes must be connected to waste conveyance and waste treatment systems. When a toilet is flushed, the wastewater flows into a septic tank or sewage system and from there to a sewage treatment plant.

A flush toilet may be colloquially called a lavatory, water closet (abbreviated W.C.), loo, comfort room (abbreviated C.R.), and many other names.

A flush toilet is different from a urinal, which is designed to handle only liquid waste; or from a bidet, which can be used for personal cleansing after toilet use.

Operation

A flush toilet bowl during the flushing action
Typical sound of a flush toilet

A typical flush toilet is a vitreous, ceramic bowl containing water, plus plumbing to rapidly fill it with more water. The water in the toilet bowl is connected to a hollow drain pipe shaped like an upside-down U connecting the drain. One side of the U channel is arranged as a hollow siphon tube longer than the water in the bowl is high. The siphon tube connects to the drain. The top of the upside-down U-shaped drain pipe limits the height of the water in the bowl before it flows down the drain. If water is poured slowly into the bowl it simply flows over the rim of the upside-down U and pours slowly down the drain — thus the toilet does not flush. The standing water in the bowl acts as a barrier to sewer gas coming out of the sewer through the drain, and also as a receptacle for waste. Sewer gas is vented through a separate vent pipe attached to the sewer line.

When a user flushes a toilet, a "toilet flapper valve" (not to be confused with a type of check valve) opens and allows water from a reservoir tank to quickly enter the toilet bowl. This rapid influx from the tank causes the swirling water in the bowl to rapidly rise and fill the U-shaped inverted siphon tube mounted in the back of the toilet. This full siphon tube starts the toilet's siphonic action. The siphon action quickly (4–7 seconds) “pulls” nearly all of the water and waste in the bowl and the on-rushing tank water down the drain — it flushes. When most of the water has drained out of the bowl, the continuous column of water up and over the bottom of the upside-down U-shaped drain pipe (the siphon) is broken when air enters the siphon tube. The toilet then gives its characteristic gurgle as the siphonic action ceases and no more water flows out of the toilet. After flushing, the flapper valve in the water tank closes; water lines and valves connected to the water supply refill the toilet tank and bowl. Then the toilet is again ready for use.

At the top of the toilet bowl is a rim with many angled drain holes that are fed from the tank, which fill, rinse, and induce swirling in the bowl when it is flushed. Mounted above the toilet is a large holding tank with approximately 1.6 to 1.2 U.S. gallons (6.1 to 4.5 L) of water in modern designs. This tank is built with a large drain 2.0 to 3.0 inches (5.08 to 7.62 cm) diameter hole at its bottom covered by a flapper valve that allows the water to rapidly leave the holding tank. The plumbing is built to allow entry of the tank’s water into the toilet in a very short period. This water pours through the holes in the rim and a siphon jet hole about 1.0 inch (2.54 cm) diameter in the bottom of the toilet. Some designs use a large hole in the front of the rim to allow faster filling of the bowl.

Manufacture

Toilet with an elevated cistern of water and a chain attached to the tank to release water and flush the waste away

A toilet's body is typically made from vitreous china, which starts out as an aqueous suspension of various minerals called a slip. It takes about 20 kilograms (44 lb) of slip to make a toilet.

This slip is poured into the space between plaster of Paris molds. The toilet bowl, rim, tank and tank lid require separate molds. The molds are assembled and set up for filling and the slip-filled molds sit for about an hour after filling. This allows the plaster molds to absorb moisture from the slip, which makes it semisolid next to the mold surfaces but lets it remain liquid further from the surface of the molds. Then, the workers remove plugs to allow any excess liquid slip to drain from the cavities of the mold (this excess slip is recycled for later use). The drained-out slip leaves hollow voids inside the fixture, using less material to keep it both lighter and easier to fire in a kiln. This molding process allows the formation of intricate internal waste lines in the fixture; the drain's hollow cavities are poured out as slip.

At this point, the toilet parts without their molds look like and are about as strong as soft clay. After about one hour the top core mold (interior of toilet) is removed. The rim mold bottom (which includes a place to mount the holding tank) is removed, and it then has appropriate slanted holes for the rinsing jets cut, and the mounting holes for tank and seat are punched into the rim piece. Valve holes for rapid water entry into the toilet are cut into the rim pieces. The exposed top of the bowl piece is then covered with a thick slip and the still-uncured rim is attached on top of the bowl so that the bowl and hollow rim are now a single piece. The bowl plus rim is then inverted, and the toilet bowl is set upside down on the top rim mold to hold the pieces together as they dry. Later, all the rest of the mold pieces are removed. As the clay body dries further it hardens more and continues to shrink. After a few hours, the casting is self-supporting, and is called greenware.

After the molds are removed, workers use hand tools and sponges to smooth the edges and surface of the greenware, and to remove the mold joints or roughness: this process is called "fettling". For large scale production pieces, these steps may be automated. The parts are then left outside or put in a warm room to dry, before going through a dryer at about 93 °C (199 °F), for about 20–36 hours.

After the surfaces are smoothed, the bowls and tanks are sprayed with glaze of various kinds to get different colors. This glaze is designed to shrink and contract at the same rate as the greenware while undergoing firing. After being sprayed with glaze, the toilet bowls, tanks, and lids are placed in stacks on a conveyor belt or "car" that slowly goes through a large kiln to be fired. The belt slowly moves the glaze-covered greenware into a tunnel kiln, which has different temperature zones inside it starting at about 200 °C (392 °F) at the front, increasing towards the middle to over 1,200 °C (2,190 °F) degrees and exiting around out 90 °C (194 °F). During the firing in the kiln, the greenware and glaze are vitrified as one solid finished unit. Transiting the kiln takes glaze-covered greenware around 23–40 hours.

After the pieces are removed from the kiln and fully cooled, they are inspected for cracks or other defects. Then, the flushing mechanism may be installed on a one-piece toilet. On a two-piece toilet with a separate tank, the flushing mechanism may only be placed into the tank, with final assembly at installation.

A two-piece attaching seat and toilet bowl lid are typically mounted over the bowl to allow covering the toilet when it is not in use and to provide seating comfort. The seat may be installed at the factory, or the parts may be sold separately and assembled by a plumbing distributor or the installer.

Water usage

The bowl drain is visible at the rear of the bowl, connected to the waste pipe

The amount of water used by conventional flush toilets usually make up a significant portion of personal daily water usage: for example, it could be 50 liters (13 U.S. gal) liters per person per day if a person flushes his or her toilet five times per day with 10 liters per flush. In some locations, users are encouraged not to flush after urination.[citation needed]

Modern low flush toilet designs allow the use of much less water per flush —1.6 to 1.2 U.S. gallons (6.1 to 4.5 L) per flush.

Dual flush toilets allow the user to select between a flush for urine or feces, saving a significant amount of water over conventional units. The flush handle on some of these toilets is pushed up for one kind of flush and down for the other. In other designs, a segmented flush pushbutton is used; pressing the smaller section releases less water.

Flush toilets, if plumbed for it, may also use greywater (water previously used for washing dishes, laundry and bathing) for flushing rather than potable water (drinking water). Heads (on ships) are typically flushed with seawater.

Flushing mechanism

The flushing mechanism provides a large flow of water into the bowl (which is described later in this article). The mechanism usually incorporates one or more parts of the following designs:

Tank fill valve

The ballcock or float valve is often used to regulate the filling of a tank or cistern. When the fluid level drops, the float descends, levering the valve opening and allowing more fluid to enter. Once the float reached the 'full' position, the arm presses the valve shut again.

Tank fill valves are found in all tank-style toilets. The valves are of two main designs: the side-float design and the concentric-float design. The side-float design has existed for over a hundred years. The concentric design has only existed since 1957, but is gradually becoming more popular than the side-float design. Fluidmaster, founded in the United States by inventor Adolf Schoepe, pioneered this design, which is also available from other manufacturers.

The side-float design uses a float on the end of a lever to control the fill valve. The float is usually shaped like a ball, so the mechanism is called a ball-valve or a ballcock. Cock is a term for valve; see, for example, stopcock. The float was originally made from copper sheet, but it is now usually plastic. The float is located to one side of the main valve tower at the end of a rod or arm. As the side-float rises, so does the side-float-arm. The arm connects to the fill valve that blocks the water flow into the toilet tank, and thus maintains a constant level in the tank.

One type of concentric float valve. The concentric float valve opens when the fluid level is low, allowing more fluid to enter (Figure 1). When the fluid level returns to the full level, the valve is shut (Figure 2).

The newer concentric-float fill valve consists of a tower which is encircled by a plastic float assembly. Operation is otherwise the same as a side-float fill valve, even though the float position is somewhat different. By virtue of its more compact layout, interference between the float and other obstacles (tank insulation, flush valve, and so on) is greatly reduced, thus increasing reliability. The concentric-float fill valve is also designed to signal to users automatically when there is a leak in the tank, by making much more noise when a leak is present than the older style side-float fill valve, which tends to be nearly silent when a slow leak is present.

Tank style with flapper-flush valve

A traditional gravity toilet tank concluding the flush cycle. As the water level in the tank drops, the flush valve flapper falls back to the bottom, stopping the main flow to the flush tube. Because the tank water level has yet to reach the fill line, water continues to flow from the tank and bowl fill tubes. When the water again reaches the fill line, the float will release the fill valve shaft and water flow will stop.
1. float, 2. fill valve, 3. lift arm, 4. tank fill tube, 5. bowl fill tube, 6. flush valve flapper, 7. overflow tube, 8. flush handle, 9. chain, 10. fill line, 11. fill valve shaft, 12. flush tube

In a tank-based system, the storage tank (or cistern) collects between 6 and 17 litres (1.3 and 3.7 imp gal; 1.6 and 4.5 US gal) of water over a period of time. This system is suitable for locations plumbed with 1/2 inch (13 mm) or 3/8 inch (9.5 mm) water pipes. These small diameter pipes cannot supply water quickly enough to flush the toilet; the tank is needed to supply a large volume of water in a short time. The storage tank is kept full by a tank fill-valve. The storage tank is usually mounted directly upon the bowl, although some tanks are mounted on the wall a few feet above the bowl in an attempt to increase the flush water pressure as it enters the bowl. Tanks near the ceiling are flushed by means of a dangling pull chain, often with a large ornate handle, connected to a flush lever on the cistern itself. "Pulling the chain" remains a British euphemism for flushing the toilet, although this type of tank or cistern is becoming rare. A similar German expression is Wasser ziehen ("to pull water").

In tanks using a flapper-flush valve, the outlet at the bottom of the tank is covered by a buoyant (plastic or rubber) cover, or flapper, which is held in place against a fitting (the flush valve seat) by water pressure. To flush the toilet, the user pushes a lever, which lifts the flush valve from the valve seat. The valve then floats clear of the seat, allowing the tank to empty quickly into the bowl. As the water level drops, the floating flush valve descends back to the bottom of the tank and covers the outlet pipe again. This system is common in homes in the US and in continental Europe. Recently this flush system has also become available in the UK due to a change in regulations.

Tank style with siphon-flush valve

This system, invented by Albert Giblin and common in the UK, uses a storage tank similar to that used in the flapper-flush-valve system above. This flush valve system is sometimes referred to as a valveless system, since no traditional type of valve is required. Some would argue, however, that any system of regulating the flow of a fluid is still technically a valve. In the siphon-flush-valve system, the user pushes a lever or button, forcing the water up into the tank siphon passageway which then empties the water in the tank into the bowl. The advantage of a siphon over the flush valve is that it has no sealing washers that can wear out and cause leaks, so it is favoured in places where there is a need to conserve water.

Until recently, the use of siphon-type cisterns was mandatory in the UK to avoid the potential waste of water by millions of leaking toilets with flapper valves but due to EU harmonisation the regulations have changed. These valves can sometimes be more difficult to operate than a "flapper"-based flush valve because the lever requires more torque than a flapper-flush-valve system. This additional torque required at the tank lever is due to the fact that a user must forcefully lift a certain amount of water up into the siphon passageway in order to initiate the siphon action in the tank.

Older installations, known as "high suite combinations", used a high-level cistern (tank), fitted above head height, that was operated by pulling a chain hanging down from a lever attached to the cistern. When more modern close-coupled cistern and bowl combinations were first introduced, these were first referred to as "low suite combinations". Modern versions have a neater-looking low-level cistern with a lever that the user can reach directly, or a close-coupled cistern that is even lower down and integrated with the bowl. In recent decades the close coupled tank/bowl combination has become the most popular residential system, as it has been found by ceramic engineers that improved waterway design is a more effective way to enhance the bowl's flushing action than high tank mounting.

Dual flush toilets

Main article: Dual flush toilet

Dual flush versions of this design are now widely available. In countries such as Israel, Singapore or Germany which either have limitations on water consumption or where people are keen to save water, dual flush toilets are now common in both homes and public washrooms.

Tank style with high-pressure or pressure-assist valve

Sloan pressure vessel

This system uses water main pressure to pre-pressurize a plastic tank located inside what otherwise appears to be the more typical ceramic flush tank. A flush cycle begins each time a user flushes the bowl. After a user flushes and the water in the pre-pressurized tank has finished emptying into the bowl, the outlet valve in the plastic tank shuts. Then the high pressure water from the main refills the plastic tank. Inside the tank is an air-filled balloon-like rubber diaphragm. As the higher-pressure mains water enters the tank, the rubber diaphragm is also pressurized and shrinks accordingly.

During flushing, the compressed air inside the diaphragm pushes the water into the bowl at a flow rate which is significantly higher than a tank style gravity-flow toilet. This system requires slightly less water than a gravity-flow toilet- or alternatively can be more effective for a similar amount of water. Pressure-assist toilets are sometimes found in both private (single, multiple, and lodging) bathrooms as well as light commercial installations (such as offices). They seldom clog, but the pressurized tanks require replacement about once every 10 years. They also tend to be noisier - a possible concern for residential settings. Newer toilets from several companies such as Kohler that are pressure-assisted use 1.4 US gallons (5.3 l) to 1.1 US gallons (4.2 l) per flush.

Tankless style with high-pressure (flushometer) valve

In 1906, William Sloan first made his "flushometer" style toilet flush valve, incorporating his patented design, available to the public. The design proved to be very popular and efficient, and remains so to this day. Flushometer toilet flush valves are still often installed in commercial restrooms, and are frequently used for both toilets and urinals. Since they have no tank, they have zero recharge time, and can be used immediately by the next user of the toilet. They can be easily identified by their distinctive chrome pipe-work, and by the absence of a toilet tank or cistern, wherever they are employed.

Some flushometer models require the user to either depress a lever or press a button, which in turn opens a flush valve allowing mains-pressure water to flow directly into the toilet bowl or urinal. Other flushometer models are electronically triggered, using an infrared sensor to initiate the flushing process. Typically, on electronically triggered models, an override button is provided in case the user wishes to manually trigger flushing earlier. Some electronically triggered models also incorporate a true mechanical manual override which can be used in the event of the failure of the electronic system. In retrofit installations, a self-contained battery-powered or hard-wired unit can be added to an existing manual flushometer to flush automatically when a user departs.

Once a flushometer valve has been flushed, and after a preset interval, the flushometer mechanism closes the valve and stops the flow. The flushometer system requires no storage tank, but requires a high volume of water in a very short time. Thus a 3/4 inch (19 mm) pipe at minimum, or preferably a 1 inch (25 mm) pipe, must be used, but as the high volume is used only for a short duration, very little water is used for the amount of flushing efficacy delivered. Water main pressures must be above 30 pounds per square inch (2.1 bar). While the higher water pressure employed by a flushometer valve does scour the bowl more efficiently than a gravity-driven system, and while fewer blockages typically occur as a result of this higher water pressure, flushometer systems still require approximately the same amount of water as a gravity system to operate (1.6 gpf).

Flushing with non-potable water sources

Raw water flushing, including seawater flushing, is a method of water conservation, where raw water, such as seawater, is used for flush toilets. Such systems are used in places such as the majority of cities and towns in Hong Kong (see water supply and sanitation in Hong Kong), Gibraltar, and Avalon, California, United States.[citation needed]

Bowl design

Three styles of toilet:
Figure 1. The Washdown style
Figure 2. The Wash-out style
Figure 3. The Reverse Bowl or Shelf Style

The "bowl", "loo", or "pan" of a toilet is the receptacle that receives bodily waste. A toilet bowl is most often made of a ceramic, but can sometimes be made of stainless steel or composite plastics. Toilet bowls are mounted in any one of three basic manners: above-floor mounted (pedestal), wall mounted (cantilever), or in-floor mounted (squat toilet).

Within the bowl, there are three main waterway design systems: the siphoning trapped system (found primarily in North American residential installations, and in North American light commercial installations), the non-siphoning trapped system (found in most other installations both inside and outside of North America), and the valve-closet system (found in many specialty applications, such as in trains, planes, buses, and other such installations around the world). Older style toilets called "washout" toilets are now only found in a few locations.

Siphoning toilet

The siphoning toilet is perhaps the most popular design in North America for residential and light commercial toilet installations. Some other terms for these types of toilets are "siphon jet", "siphon wash", and in North America, "wash down". All siphoning toilets incorporate an "S" shaped waterway. The waterways in these toilets are designed with slightly smaller diameters than a non-siphoning toilet, so that the waterway will naturally fill up with water, each time it is flushed, thus creating the siphon action. To flush the toilet the user activates a flushing mechanism (see above), which pours a large quantity of water quickly into the bowl. This creates a flow large enough to purge the bowl's waterway of all air, thus causing the bowl to empty rapidly due to the siphon action that has been created. This flow stops as soon as the water level in the bowl drops below the first bend of the siphon, allowing air to enter the S-pipe to break the column of liquid and to halt the siphonic action.

A "true siphoning toilet" can be easily identified by the noise it makes. If it can be heard to suck air down the drain at the end of a flush, then it is a true siphoning toilet. If not, then it is either a double trap siphonic or a non-siphoning toilet.

Double trap siphonic toilet

The double trap siphonic toilet is a less common type that is exceptionally quiet when flushed. There is a device known as an aspirator which uses the flow of water on a flush to suck air from the cavity between the two traps, reducing the air pressure there to create the siphon which sucks water and waste from the toilet bowl. Towards the end of the flush the aspirator ceases being covered in water, thus allowing air into the cavity between traps to break the siphon without the noise while the final flush water fills the pan.

Valve closet

The valve closet has a valve or flap at the exit of the bowl with a water-tight seal to retain a pool of water in the pan. When the toilet is flushed, the valve is opened and the water in the pan flows rapidly out of the bowl into the drains, carrying the waste with it.

The earliest type of toilet, the valve closet is now rarely used for water-flush toilet systems. More complicated in design than other toilets, this design has lower reliability and is more difficult to maintain or repair. The most common use for valve closets is now in portable closets for caravans, camping, trains, and aircraft, where the flushing fluid is recycled. This design is also used in train carriages for use in areas where the waste is allowed to be simply dumped between the tracks (the flushing of such toilets is generally prohibited when the train is in a station).

Washout toilet

Washout toilets have a flat platform with a shallow pool of water. They are flushed by a jet of water from the back that drives excreta into the trap below. From there, the water flow removes it into the sewage system. An advantage of the design is that users will not get splashed from below. Washout toilets have a shallow pool of water into which waste is deposited, with a trapped drain just behind this pool. Waste is cleared out from this pool of water by being swept over into the trap (usually either a P-trap or an S-trap) and then beyond into a sewer by water from the flush. Washout pans were amongst the first types of ceramic toilets invented and since the early 1970s are now only found in a decreasing number of localities in continental Europe[citation needed]. A washout toilet is a kind of flush toilet which were once predominantly used in Germany, Austria and France. It was patented in Britain by George Jennings in 1852 and remained the standard toilet type in Britain throughout the 19th century.

Shelf style (Flachspüler)

A shelf-style toilet which holds fecal matter above the water until flushed

In the shelf style or Flachspüler ("shallow flush") toilet, the bowl is designed with a receiver shelf to hold the fecal matter out of the water prior to flushing (i.e. the feces do not fall directly into standing water). The design prevents the occurrence of any splash-up which commonly happens when fecal matter plunges into the standing water of other toilet designs (although substantial deposits may cause splash-up problems of their own). Examples of this type of toilet can be found in the Netherlands, Germany, Austria, some regions of Poland, and Australia, although it is becoming less common.

One disadvantage of this design is that it may require the more intense use of a toilet brush to remove bits of feces that may have "skid-marked" on the shelf[citation needed]. Similar designs are found in some early toilets in the US, one particular brand being labeled the "Grand Niagara", as the flushing of the shelf created a waterfall effect into the drain chamber.

Simple flush toilets in old railcars

This type of toilet is used on most older style Russian trains, made in Eastern Germany (Ammendorf factory, design dated probably to the 1950s), employing a pan-like shutter valve discharging waste directly onto the trackbed below. Usage of this toilet is permitted only while the train is moving, and outside of major cities. These designs are being phased out, together with the old trains, and are being replaced with modern vacuum systems.

The British singer Ian Wallace composed and performed the humorous song "Never Do It at the Station", which mentioned the old-fashioned trackbed dumping toilets which were still in use during the mid-20th century in Britain. The song first advised frugal travelers to save money by avoiding pay toilets in train stations, but also reminded polite passengers not to use the onboard "loo" while the train was stopped at a station.

Squat toilets

Example of a squat toilet in Rome, Italy
Main article: Squat toilet

In many parts of Asia, people traditionally use the toilet in a squatting position. This applies to defecation and urination by males and females. Therefore, homes and public washrooms have squat toilets, with the toilet bowl installed in the floor. This has the advantages of not needing an additional toilet seat and also being more convenient for cultures where people use water to wash their genitals instead of toilet paper. However, Western-style toilets that are mounted at sitting height and which have a plastic seat have become popular as well. Many public washrooms have both squatting and sitting toilets.

In western countries, instructions have been put up in some public toilets on the correct use of a sitting-style toilet. This is to avoid breaking the toilet or seat if someone attempts to squat on the edges.

In India, the "Anglo-Indian" design allows the same toilet to be used in the sitting or the squatting position.

Low-flow and high-efficiency flush toilets

Since 1994, there is a significant move towards using less water for flushing flush toilets. This has resulted in the emergence of low flush toilet designs and local or national standards on water consumption for flushing. In addition, some people modify their existing high flush toilet to use less water by placing a brick or water bottle into the toilet's water tank. Other modifications are often done on the water system itself (such as by using greywater), or a system that pollutes the water less; hence more efficient use of the water is accomplished.

Urine diversion flush toilets, which were developed in Sweden, save water by using less water, or even no water, for the urine flush compared to about six litres for the feces flush.

US standards for new toilets

Pre-1994 residential and pre-1997 commercial flush toilets in the United States typically used 3.4 US gallons (13 L) of water per flush (gpf or lpf). In 1992, the United States Congress passed the Energy Policy Act of 1992, which mandated that beginning in 1994 common flush toilets use only 1.6 US gallons (6.1 L). In response to the Act, manufacturers produced low-flow toilets, which many consumers did not like because they often required more than one flush to remove solids. People unhappy with the reduced performance of the low-flow toilets resorted to driving across the border to Canada or Mexico, or buying salvaged toilets from older buildings. Manufacturers responded to consumers' complaints by improving the toilets. The improved products are generally identified as high efficiency toilets or HETs. HETs possess an effective flush volume of 1.3 US gallons (4.9 L) or less. HETs may be single-flush or dual-flush. A dual-flush toilet permits its user to choose between two amounts of water, depending on whether they generated solid or liquid waste. Some HETs are pressure-assisted (or power-assisted or pump-assisted or vacuum-assisted).

The performance of a flush-toilet may be rated by a Maximum Performance (MaP) score. The low end of MaP scores is 250 (250 grams of simulated fecal matter). The high end of MaP scores is 1000. A toilet with a MaP score of 1000 should provide trouble-free service. It should remove all waste with a single flush; it should not plug; it should not harbor any odor; it should be easy to keep clean. The United States Environmental Protection Agency uses a MaP score of 350 as the minimum performance threshold for HETs. 1.6 gpf toilets are also sometimes referred as ULF (Ultra Low Flow) toilets.

Methods used to make up for the inadequacies of low flow toilets include using thinner toilet paper, plungers, and adding extra cups of water to the bowl manually.

Other design aspects

Fire safety in multi-story buildings

Main article: Firestop
Toilet flange firestopping versus mechanical pipe firestopping.

Toilets in multi-story buildings, located on fire-resistance rated floors typically require at least two through-penetrations, which can compromise the rating of the floor if left untreated. One opening is for the fresh water supply to flush and/or fill the water tank. The other through-penetration is for the drain pipe. The fresh water supply line requires routine firestopping. The drain pipe, however, is exempt from firestopping in many building codes, particularly when noncombustible piping is used, because the penetration terminates on the unexposed side in a ceramic bowl filled with water, which can withstand significant fires.

Intumescent firestops are often used, in the event plastic pipes are used for toilet drains, so that the melting plastic pipe is choked off in the event of an accidental fire. It is, however, customary to fill the metallic drain pipe annulus with rockwool packing. Even with the best of intentions, it would be difficult for the firestopper to install a sealant, because the installer is not allowed to remove the flange, which is partially used to support the drain pipe below during the installation process.

Cleaning and maintenance

Ordinary toilet cleaning is done using a toilet brush. Many designs are available, some including a holder to enclose the brush when it is not in use.

Clogging usually occurs as a result of an attempt to flush unsuitable items, or too much toilet paper. Flushing of large amounts of hair should also be avoided. However, clogging can occur spontaneously due to limescale fouling of the drain pipe, or by overloading the stool capacity of the toilet. Stool capacity varies among toilet designs and is based on the size of the drainage pipe, the capacity of the water tank, the velocity of a flush, and the method by which the water attempts to vacate the bowl of its contents. The size and consistency of the stool is also a contributing, but hard-to-predict factor. In recent years, clogging has become more frequent due to regulations that require the use of small-tanked low-flush toilets in attempt to conserve water. Sometimes, three to four flushes periodically during the use of a low-flush toilet may be required to prevent clogging, thus using more water than larger-tanked toilets. Designs which increase the velocity of flushed water or improve the travel path can improve low-flow reliability.

Partial clogging is particularly insidious, as it is usually not discovered immediately, but only later by an unsuspecting user trying to flush a loaded toilet. Overflowing of the water mixed with excrement may then occur, depending on the bowl volume, tank capacity and severity of clogging. For this reason, rooms with flush toilets may be designed as wet rooms, with a second drain on the floor, and a shower head capable of reaching the whole floor area. Common means to remedy clogging include use of a toilet plunger, drain cleaner or a plumber's snake.

History

Ancient flush toilet systems

Dholavira Sophisticated Water Reservoir, evidence for hydraulic sewage systems in the ancient Indus Valley Civilization.

Toilets that used water were used in the Indus Valley Civilization. The cities of Harappa and Mohenjo-daro had a flush toilet in almost every house, attached to a sophisticated sewage system. See also Hydraulic engineering of the Indus Valley Civilization. They also appear in Knossos and Akrotiri of the ancient Minoan civilization from the 2nd millennium BC.

Primitive forms of flush toilets have been found to exist since ancient Neolithic times. The oldest neolithic village in Britain, dating from circa 31st century BC, Skara Brae, Orkney, used a form of hydraulic technology for sanitation. The village's design used a river and connecting drainage system to wash waste away.

Similar flush toilets were in use throughout the Roman Empire from the 1st through 5th centuries AD. Some examples include those at Vindolanda on Hadrian's Wall in Britain. With the fall of the Roman Empire, these toilet systems fell into disuse.

Development of the flush toilet

Alexander Cumming's 1775 patent for the S-trap, which laid the foundations for the modern flush toilet.

In 1596, Sir John Harington (1561–1612) published A New Discourse of a Stale Subject, Called the Metamorphosis of Ajax, describing a forerunner to the modern flush toilet installed at his house at Kelston. The design had a flush valve to let water out of the tank, and a wash-down design to empty the bowl. He installed one for his godmother Queen Elizabeth I at Richmond Palace.

With the onset of the Industrial Revolution and related advances in technology, the flush toilet began to emerge into its modern form. A crucial advance in plumbing, was the S-trap, invented by Alexander Cumming in 1775, and still in use today. This device uses the standing water to seal the outlet of the bowl, preventing the escape of foul air from the sewer. His design had a sliding valve in the bowl outlet above the trap. Two years later, Samuel Prosser applied for a British patent for a "plunger closet".

Joseph Bramah's improved version was the first practical flush toilet.

Prolific inventor Joseph Bramah began his professional career installing water closets (toilets) that were based on Alexander Cumming's patented design of 1775. He found that the current model being installed in London houses had a tendency to freeze in cold weather. In collaboration with a Mr. Allen, he improved the design by replacing the usual slide valve with a hinged flap that sealed the bottom of the bowl.

He also developed a float valve system for the flush tank. Obtaining the patent for it in 1778, he began making toilets at a workshop in Denmark Street, St Giles. The design was arguably the first practical flush toilet, and production continued well into the 19th century, used mainly on boats.

Industrial production

Thomas William Twyford was one of the leading marketers of flush toilets in their first boom of popularity after the Great Exhibition of 1851.

It was only in the mid-19th century, with growing levels of urbanisation and industrial prosperity, that the flush toilet became a widely used and marketed invention. This period coincided with the dramatic growth in the sewage system, especially in London, which made the flush toilet particularly attractive for health and sanitation reasons.

George Jennings established a business manufacturing water closets, salt-glaze drainage, sanitary pipes and sanitaryware at Parkstone Pottery in the 1840s, where he popularized the flush toilet to middle class. At The Great Exhibition at Hyde Park held from 1 May to 15 October 1851, George Jennings installed his Monkey Closets in the Retiring Rooms of The Crystal Palace. These were the first public pay toilets (free ones did not appear until later), and they caused great excitement. During the exhibition, 827,280 visitors paid one penny to use them; for the penny they got a clean seat, a towel, a comb, and a shoe shine. "To spend a penny" became a euphemism (now archaic) for going to the toilet.

George Jennings trademark on his manufactures.

When the exhibition finished and moved to Sydenham, the toilets were to be closed down. However, Jennings persuaded the organisers to keep them open, and the toilet went on to earn over £1000 a year. He opened the first underground convenience at the Royal Exchange in 1854. He received a patent in 1852 for an improved construction of water-closet, in which the pan and trap were constructed in the same piece, and so formed that there was always a small quantity of water retained in the pan itself, in addition to that in the trap which forms the water-joint. He also improved the construction of valves, drain traps, forcing pumps and pump-barrels. By the end of the 1850s building codes suggested that most new middle-class homes in British cities were equipped with a water closet.

Another pioneering manufacturer was Thomas William Twyford, who invented the single piece, ceramic flush toilet. The 1870s proved to be a defining period for the sanitary industry and the water closet; the debate between the simple water closet trap basin made entirely of earthenware and the very elaborate, complicated and expensive mechanical water closet would fall under public scrutiny and expert opinion. In 1875, the "wash-out" trap water closet was first sold and was found as the public's preference for basin type water closets. By 1879, Twyford had devised his own type of the "wash out" trap water closet, he titled it the "National", and became the most popular wash-out water closet.

Flush toilets were widely available from the mid to late 19th century. Although Thomas Crapper did not invent the flush toilet, he was a leading manufacturer.

By the 1880s, the free-standing water closet was sold and quickly gained popularity; the free-standing water closet was able to be cleaned more easily and was therefore a more hygienic water closet. Twyford's "Unitas" model was free standing and made completely of earthenware. Throughout the 1880s he submitted further patents for improvements to the flushing rim and the outlet. Finally in 1888, he applied for a patent protection for his "after flush" chamber; the device allowed for the basin to be refilled by a lower quantity of clean water in reserve after the water closet was flushed. The modern pedestal "flush-down" toilet was demonstrated by Frederick Humpherson of the Beaufort Works, Chelsea, England in 1885.

The leading companies of the period issued catalogues, established showrooms in department stores and marketed their products around the world. Twyford had showrooms for water closets in Berlin, Germany; Sydney, Australia; and Cape Town, South Africa. The Public Health Act 1875 set down stringent guidelines relating to sewers, drains, water supply and toilets and lent tacit government endorsement to the prominent water closet manufacturers of the day.

Contrary to popular legend, Sir Thomas Crapper did not invent the flush toilet. He was, however, in the forefront of the industry in the late 19th century, and held nine patents, three of them for water closet improvements such as the floating ballcock. His flush toilets were designed by inventor Albert Giblin, who received a British patent for the "Silent Valveless Water Waste Preventer", a siphon discharge system. Crapper popularized the siphon system for emptying the tank, replacing the earlier floating valve system which was prone to leaks.

Joseph Bramah's improved version was the first practical flush toilet.

Spread and further developments

Although flush toilets first appeared in Britain, they soon spread to the Continent. The first such examples may have been the three "waterclosets" installed in the new town house of banker Nicolay August Andresen on 6 Kirkegaten in Christiania, insured in January 1859. The toilets were probably imported from Britain, as they were referred to by the English term "waterclosets" in the insurance ledger. Another early watercloset on the European continent, dating from 1860, was imported from Britain to be installed in the rooms of Queen Victoria in Ehrenburg Palace (Coburg, Germany); she was the only one who was allowed to use it.

In America, the chain-pull indoor toilet was introduced in the homes of the wealthy and in hotels, soon after its invention in England in the 1880s. Flush toilets were introduced in the 1890s.William Elvis Sloan invented the Flushometer in 1906, which used pressurized water directly from the supply line for faster recycle time between flushes. The Flushometer is still in use today in public restrooms worldwide. The vortex-flushing toilet bowl, which creates a self-cleansing effect, was invented by Thomas MacAvity Stewart of Saint John, New Brunswick in 1907. Philip Haas of Dayton, Ohio, made some significant developments, including the flush rim toilet with multiple jets of water from a ring and the water closet flushing and recycling mechanism similar to those in use today.

Bruce Thompson, working for Caroma in Australia, developed the Duoset cistern with two buttons and two flush volumes as a water-saving measure in 1980. Modern versions of the Duoset are now available worldwide, and save the average household 67% of their normal water usage.

Etymology

Water closet

The term "water closet" was an early term for an interior or exterior room with a flushing toilet in contrast with an earth closet usually outdoors and requiring periodic emptying as "night soil". Originally, the term "wash-down closet" was used. The term "water closet" was coined in England around 1870. It did not reach the United States until the 1880s. Around this time, only luxury hotels and wealthy people had indoor private bathrooms. By 1890 in the US, there was increased public awareness of the theory of disease and of carelessly disposed human waste being contaminated and infectious.

Originally, the term "bath-room" referred only to the room where the bathtub was located (usually a separate room not housing a toilet), but this connotation has changed in common North American usage. In the UK, the terms "bathroom" and "toilet" are used to indicate distinct functions, even though bathrooms in modern homes often include toilets. The term "water closet" was probably adopted because in the late 19th century, with the advent of indoor plumbing, a toilet displaced an early clothes closet, closets being renovated to easily accommodate the spatial needs of a commode.[citation needed] Early indoor toilets had in fact been known as garderobes because they actually were used to store clothes, as the smell of ammonia was found to deter fleas and moths.

The term "water closet" is still used today in some places, but it often refers to a room that has both a toilet and other plumbing fixtures such as a sink or a bathtub. Plumbing manufacturers often use the term "water closet" to differentiate toilets from urinals. American plumbing codes still refer to a toilet as a "Water Closet" or a "WC". Many South American countries refer to a toilet as a "water" or "WC". The Royal Spanish Academy Dictionary accepts "váter" as a name for a toilet or bathroom, which is derived from the British term "water closet". In French, the expression aller aux waters ("to go to the waters") has now become obsolete, but it also derives from "water closet". "WC" is still used in the French language, although not as common as the term "toilet", and pronounced as "VC", a shortened version of "double V C". In Germany, the expression "Klo" (first syllable of "Kloset") is still used, though "WC" is more common. In Dutch and Swiss German, using the term "WC" is common.

In many Asian countries and China in particular, "WC" is used as a universal name for the toilet; many Chinese people will make a hand sign with the forefinger and thumb held in the shape of a "C" while the remaining 3 fingers of the same hand are extended to represent a "W", thus indicating where they are going or perhaps to explain where someone has gone.[citation needed]

Society and culture

Swirl direction myth

It is a commonly held misconception that when flushed, the water in a toilet bowl swirls one way if the toilet is north of the equator and the other way if south of the equator, due to the Coriolis effect – usually, counter clockwise in the northern hemisphere, and clockwise in the southern hemisphere. In reality, the direction that the water takes is much more determined by the direction that the bowl's rim jets are pointed, and it can be made to flush in either direction in either hemisphere by simply redirecting the rim jets during manufacture. On the scale of bathtubs and toilets, the Coriolis effect is too weak to be observed except under carefully controlled laboratory conditions.

References

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  10. ^ "Thunder, Flush and Thomas Crapper: W". Thunder, Flush and Thomas Crapper index. Retrieved 30 April 2015. 
  11. ^ ""Never Do It At The Station" by Ian Wallace". Playlists.net. Retrieved 2015-05-19. 
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  14. ^ "Warehouse installs European-style squat toilet because foreign workers 'kept breaking the loo by standing on it'". Daily Mail. 
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ABOUT MISSION VIEJO CA:

Mission Viejo, California
City
The Saddleback Mountains and Lake Mission Viejo
The Saddleback Mountains and Lake Mission Viejo
Official seal of Mission Viejo, California
Seal
Motto: "Make Living Your Mission"
Location of Mission Viejo within Orange County, California.
Location of Mission Viejo within Orange County, California.
Mission Viejo, California is located in USA
Location in the United States
Country United States
State California
County Orange
Incorporated March 31, 1988
Government
 • Type Council-Manager
 • Mayor Frank Ury
 • City Manager Dennis Wilberg
Area
 • Total 18.123 sq mi (46.939 km2)
 • Land 17.739 sq mi (45.944 km2)
 • Water 0.384 sq mi (0.995 km2)  2.12%
Elevation 410 ft (125 m)
Population (April 1, 2010)
 • Total 93,305
 • Estimate (2013) 96,346
 • Density 5,100/sq mi (2,000/km2)
Time zone PST (UTC-8)
 • Summer (DST) PDT (UTC-7)
ZIP codes 92691–92692, 92694
Area code(s) 949
FIPS code 06-48256
GNIS feature IDs 1661045, 2411123
Website www.cityofmissionviejo.org

Mission Viejo is a city in Orange County, California, United States in the Saddleback Valley. Mission Viejo is considered one of the largest master-planned communities ever built under a single project in the United States, and is rivaled only by Highlands Ranch, Colorado, in its size. Its population as of 2014 was estimated at 96,346.

Mission Viejo is suburban in nature and culture. The city is mainly residential, although there are a number of offices and businesses within its city limits. The city is known for its picturesque tree-lined neighborhoods, receiving recognition from the National Arbor Day Foundation. The city's name is a reference to Rancho Mission Viejo, a large Spanish land grant from which the community was founded.

History

Mission Viejo was purchased by John Forster, a Mexican also known as Don Juan. During the Mexican-American War, Forster provided fresh horses to United States military forces which were used on the march of San Diego to retake Los Angeles.

Mission Viejo was a hilly region primarily used as cattle and sheep grazing land, since it was of little use to farmers. This city was one of the last regions of Orange County to be urbanized due to its geologic complexity. In 1960, early developers dismissed most of the land in Mission Viejo as simply "undevelopable".

Donald Bren, an urban planner who later became the president of the Irvine Company, drafted a master plan which placed roads in the valleys and houses on the hills, and contoured to the geography of the area. The plan worked, and by 1980 much of the city of Mission Viejo was completed. During the late 1970s and the 1980s, houses in Mission Viejo were in such high demand that housing tracts often sold out before construction even began on them. The houses and shopping centers in the city are almost uniformly designed in a Spanish mission style, with "adobe"-like stucco walls and barrel-tile roofs. Many point to Mission Viejo as the first and largest manifestation of Bren's obsession with Spanish architecture. Bren's company was also the creator of the developments in Irvine, and Newport Beach. The company expanded its operations and went on to build the Lakes project in Tempe, Arizona, Mission Viejo Aurora in Colorado and was the initial master planner of Highlands Ranch, both in the Denver Metropolitan area.

The seal of the city of Mission Viejo was designed and drawn by Carl Glassford, an artist and former resident of the city.

Geography

Mission Viejo is located at 33°36'46?N 117°39'22?W? / ?33.61278°N 117.65611°W? / 33.61278; -117.65611 (33.612739, -117.656038).

According to the United States Census Bureau, the city has a total area of 18.1 square miles (47 km2). 17.7 square miles (46 km2) of it is land and 0.4 square miles (1.0 km2) of it (2.12%) is water. A significant portion of the surface water is held in Lake Mission Viejo, an artificial lake stretching approximately one mile from Olympiad Road to Alicia Parkway along Marguerite Parkway.

It is bordered by Lake Forest on the northwest, Trabuco Canyon on the northeast, Rancho Santa Margarita and Ladera Ranch on the east, San Juan Capistrano on the south, and Laguna Niguel and Laguna Hills on the west.

Climate

Mission Viejo enjoys a borderline semi-arid/Mediterranean climate (Köppen climate classification BSh/Csa), with mild temperatures and plentiful sunshine year-round. Rainfall totals, which average around 14 inches (355 millimetres) annually are focused primarily in the months from November to March. Summer is very dry and virtually rainless, however thunderstorms do rarely occur. Due to the city's proximity to the ocean, nighttime and morning clouds are fairly common, especially in the months of May and June, a weather phenomenon commonly known as June Gloom or May Gray.

Like most of Southern California, the city is prone to dry Santa Ana winds, which bring hot air from inland and punctuate the normally mild temperatures with noticeable jumps. For example, temperatures have reached highs of 90 °F (32 °C) and above throughout many months of the year, occasionally into the autumn months. Snowfall within city limits is very rare, however the nearby Saddleback Mountains receive a dusting of snow every few winters. Since 2012, California is experiencing the worst drought in a century.

Climate data for Mission Viejo, California
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °F (°C) 68
(20)
68
(20)
69
(21)
72
(22)
73
(23)
75
(24)
79
(26)
80
(27)
80
(27)
77
(25)
72
(22)
67
(19)
73.3
(23)
Average low °F (°C) 44
(7)
45
(7)
47
(8)
50
(10)
54
(12)
58
(14)
61
(16)
60
(16)
59
(15)
54
(12)
48
(9)
43
(6)
51.9
(11)
Average precipitation inches (mm) 2.85
(72.4)
3.42
(86.9)
1.96
(49.8)
.88
(22.4)
.25
(6.4)
.11
(2.8)
.06
(1.5)
.03
(0.8)
.25
(6.4)
.65
(16.5)
1.09
(27.7)
2.38
(60.5)
13.93
(353.8)
Source: Weather Channel

Demographics

Historical population
Census Pop.
1970 11,933
1980 50,666 324.6%
1990 72,820 43.7%
2000 93,102 27.9%
2010 93,305 0.2%
Est. 2014 97,209 4.2%
U.S. Decennial Census

2010

The 2010 United States Census reported that Mission Viejo had a population of 93,305. The population density was 5,148.3 people per square mile (1,987.8/km²). The racial makeup of Mission Viejo was 74,493 (79.8%) White (68.9% Non-Hispanic White), 1,210 (1.3%) African American, 379 (0.4%) Native American, 8,462 (9.1%) Asian, 153 (0.2%) Pacific Islander, 4,332 (4.6%) from other races, and 4,276 (4.6%) from two or more races. Hispanic or Latino of any race were 15,877 persons (17.0%).

The Census reported that 92,363 people (99.0% of the population) lived in households, 859 (0.9%) lived in non-institutionalized group quarters, and 83 (0.1%) were institutionalized.

There were 33,208 households, out of which 11,767 (35.4%) had children under the age of 18 living in them, 20,792 (62.6%) were opposite-sex married couples living together, 2,967 (8.9%) had a female householder with no husband present, 1,306 (3.9%) had a male householder with no wife present. There were 1,211 (3.6%) unmarried opposite-sex partnerships, and 225 (0.7%) same-sex married couples or partnerships. 6,314 households (19.0%) were made up of individuals and 2,949 (8.9%) had someone living alone who was 65 years of age or older. The average household size was 2.78. There were 25,065 families (75.5% of all households); the average family size was 3.18.

The population was spread out with 21,270 people (22.8%) under the age of 18, 7,852 people (8.4%) aged 18 to 24, 21,648 people (23.2%) aged 25 to 44, 29,003 people (31.1%) aged 45 to 64, and 13,532 people (14.5%) who were 65 years of age or older. The median age was 42.2 years. For every 100 females there were 95.4 males. For every 100 females age 18 and over, there were 92.2 males.

There were 34,228 housing units at an average density of 1,888.6 per square mile (729.2/km²), of which 25,859 (77.9%) were owner-occupied, and 7,349 (22.1%) were occupied by renters. The homeowner vacancy rate was 0.9%; the rental vacancy rate was 4.9%. 72,390 people (77.6% of the population) lived in owner-occupied housing units and 19,973 people (21.4%) lived in rental housing units.

According to the 2010 United States Census, Mission Viejo had a median household income of $96,088, with 5.3% of the population living below the federal poverty line.

Aerial view of Lake Mission Viejo and the surrounding developments (2014)

The Mission Viejo-Lake Forest-San Clemente urban area (which also includes the cities of Aliso Viejo, Dana Point, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Rancho Santa Margarita and San Juan Capistrano) had a population of 583,681 at the 2010 Census.

2000

At the 2000 census, there were 93,102 people, 32,449 households and 25,212 families residing in the city. The population density was 4,990.1 inhabitants per square mile (1,926.4/km²). There were 32,986 housing units at an average density of 1,767.9 per square mile (682.5/km²). The racial makeup of the city was 79.7% white, 1.6% African American, 0.4% Native American, 8.3% Asian, 0.1% Pacific Islander, 6.2% from other races, and 3.7% from two or more races. Hispanic or Latino of any race were 15.9% of the population. There were 32,449 households out of which 39.7% had children under the age of 18 living with them, 66.1% were married couples living together, 8.1% had a female householder with no husband present, and 22.3% were non-families. 17.3% of all households were made up of individuals and 6.0% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.22.

Age distribution was 27.1% under the age of 18, 6.6% from 18 to 24, 30.5% from 25 to 44, 24.9% from 45 to 64, and 10.9% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 95.7 males. For every 100 females age 18 and over, there were 91.7 males.

According to a 2008 estimate, the median household income was $93,330, and the median family income was $113,439. Males had a median income of $74,703 versus $53,196 for females. The per capita income for the city was $41,459. 1.9% of families and 4.4% of the population were below the poverty line, including 5.1% of those under age 18 and 6% of those age 65 or over.

Recreation and services

Mission Hospital is the largest hospital in south Orange County and serves as the area's regional trauma center. It also offers one of two Children's Hospital of Orange County locations providing care for children.

Mission Viejo has numerous recreational areas such as the Norman P. Murray Community and Senior Center there are about two parks per square mile. The city has three golf courses, The Mission Viejo Country Club, Casta del Sol Golf Course, and the Arroyo Trabuco Golf Club. At the center of the city is a man-made lake, Lake Mission Viejo, a private association for Mission Viejo residents with custom waterfront homes, condominiums, boat and paddle board rentals, fishing, and swim beaches. Lake Mission Viejo also holds events such as music concerts and movie screenings, usually complimentary for members and typically during the summer season.

The Shops at Mission Viejo and the Kaleidescope Courtyards serve as the city's two main shopping, dining and entertainment centers. Both cater to an upper middle class customer demographic and feature family-oriented facilities and services.

Mission Viejo also hosts a number of athletic events such as 5K runs and triathlons throughout the year. The city holds a variety of annually recurring events to celebrate holidays including a street fair and fireworks for Independence Day and public decorations and interactive activities for children during the winter holiday season featuring representation for multiple popular religions.

Economy

According to the City's 2010 Comprehensive Annual Financial Report, the top employers in the city were:

# Employer # of employees
1 Mission Hospital 2443
2 Saddleback College 1975
3 Capistrano Valley Unified School District 1502
4 Nordstrom 441
5 Macy's 400
6 Target 250

Marie Callender's has its corporate headquarters in the Marie Callender's Corporate Support Center in Mission Viejo.

Sports

Mission Viejo has a major youth athletic facility, Mission Viejo Youth Athletic Park. The park consists of eight baseball fields and five soccer fields. It is host to Little League District 68, AYSO Region 84, and four competitive soccer clubs: Pateadores Soccer Club, Mission Viejo Soccer Club, West Coast Futbol Club, and Saddleback United Soccer Club.

The Mission Viejo Nadadores Swimming and Mission Viejo Nadadores Diving Team won a string of national championships and produced a number of Olympians and world record holders in the 1970s and 1980s. Olympians included Shirley Babashoff, Brian Goodell, Larson Jenson, Maryanne Graham, Nicole Kramer, Casy Converse, Marcia Morey, Dara Torres, and Greg Louganis.

Mission Viejo hosted the Road Cycling Events during the 1984 Summer Olympics held in Los Angeles. The old O'Neill Road was renamed Olympiad Rd. in honor of the Olympic events in 1984.

There is also a soccer facility, now used by the town's youth soccer program, that was used as a training field by the United States men's national soccer team before and during the 1994 FIFA World Cup, hosted by the United States. Mission Viejo is the largest AYSO Region in the country.

The Saddleback College ballpark hosted the Mission Viejo Vigilantes minor league baseball team of the Western Baseball League from 1996–2001. Now the ballpark has a semi-pro collegiate team, the Orange County Fire.

Mission Viejo is also the hometown of NFL quarterback Mark Sanchez, Minnesota Twins pitcher Phil Hughes, and Chicago White Sox first baseman Adam LaRoche, former Milwaukee Brewers pitcher Don August, Boston Red Sox outfielder Allen Craig, Top Shot Season 4 Champion Chris Cheng, and PBA Tour Champion Scott Norton.

Education

The Mission Viejo Library was built in 1996-97 and expanded in 2000-02

Mission Viejo is served by two school districts, the Capistrano Unified School District and Saddleback Valley Unified School District. Capistrano Unified serves the eastern, northeastern, and southern portions of the city with eight schools. As of 2006, all high school students in the Capistrano Unified portion of Mission Viejo attend Capistrano Valley High School. Students from western Mission Viejo (north of Oso Parkway and west of Marguerite until Alicia Parkway) attend Saddleback Valley's Mission Viejo High School. Far northern Mission Viejo attends Saddleback Valley's Trabuco Hills High School, though most of that school has students from Rancho Santa Margarita and Lake Forest. A few residents attend Tesoro High School in Las Flores or the private Santa Margarita Catholic High School in Rancho Santa Margarita.

Silverado High School, Mira Monte High School, and Pathfinder are continuation and adult schools within the city. Silverado High School provides a day school environment while Mira Monte, which shares the same campus, is strictly independent study.

Saddleback College, near The Shops at Mission Viejo and Capistrano Valley High School, is a large community college in the southern half of the city. In addition, the University of California, Irvine, Chapman University, Soka University of America, and California State University, Fullerton (Irvine Campus), are nearby in adjacent cities.

La Tierra Elementary shut down in June 2009 due to budget cuts. It was chosen due to its small size and minimal student body. The school will remain closed until further notice. Mission Viejo residents refer to La Tierra as "The Little School with a Big Heart". Students there are reassigned to Del Cerro Elementary.

O'Neill Elementary, the city's first elementary school, closed in June 2009 also due to budget cuts in SVUSD. Students in the Deane Home community surrounding the school will be moved to nearby De Portola Elementary. Students living in the homes north of the lake will be moved to Melinda Heights Elementary in Rancho Santa Margarita.

Notable people

References

  1. ^ "City of Mission Viejo California Website". City of Mission Viejo California Website. Retrieved September 14, 2012. 
  2. ^ "California Cities by Incorporation Date" (Word). California Association of Local Agency Formation Commissions. Retrieved August 25, 2014. 
  3. ^ a b "City Council". City of Mission Viejo. Retrieved January 11, 2015. 
  4. ^ "City Hall Information and Directory". City of Mission Viejo. Retrieved December 15, 2014. 
  5. ^ "2010 Census U.S. Gazetteer Files – Places – California". United States Census Bureau. 
  6. ^ "Mission Viejo". Geographic Names Information System. United States Geological Survey. Retrieved February 11, 2015. 
  7. ^ a b c "Mission Viejo (city) QuickFacts". United States Census Bureau. Retrieved April 12, 2015. 
  8. ^ a b Epting, Chris (2008). Vanishing Orange County. Arcadia Publishing. p. 33. Retrieved March 8, 2011. 
  9. ^ MESSINA, FRANK; PAULSON, WENDY (May 27, 1990). "Rebels Dig In to Defend Last Ridge in South : Growth: The city carved out by the Mission Viejo Co. is on edge over the developer's final step. The company's offer of recreational land may not be enough to take Naciente Ridge.". Los Angeles Times. Retrieved 8 March 2016. 
  10. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  11. ^ "Average weather for Mission Viejo" Weather Channel. Retrieved 2012-07-14.
  12. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  13. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2015. 
  14. ^ "2010 Census Interactive Population Search: CA - Mission Viejo city". U.S. Census Bureau. Retrieved July 12, 2014. 
  15. ^ a b "Mission Viejo (city) QuickFacts from the US Census Bureau". census.gov. Retrieved February 10, 2016. 
  16. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  17. ^ American FactFinder, United States Census Bureau. "Mission Viejo city, California – Income in the Past 12 Months (In 2008 Inflation-Adjusted Dollars)". Factfinder.census.gov. Retrieved March 6, 2011. 
  18. ^ "Norman P Murray Community Center". City of Mission Viejo. March 4, 2011. Retrieved March 8, 2011. 
  19. ^ "City of Mission Viejo CAFR". Cityofmissionviejo.org. Retrieved March 14, 2011. 
  20. ^ "Contact Us." Marie Callender's. Retrieved on May 27, 2012. "Mailing Address: Marie Callender's Corporate Support Center 27101 Puerta Real, Suite 260 Mission Viejo, CA 92691"
  21. ^ "Statewide Database". UC Regents. Retrieved December 1, 2014. 
  22. ^ "La Tierra Elementary copes with closure". The Orange County Register. Retrieved February 10, 2016. 
  23. ^ "Impending closure pains O'Neill school community". The Orange County Register. Retrieved February 10, 2016. 
  24. ^ Elaine Woo (January 11, 2011). "Debbie Friedman, self-taught Jewish folk singer, dies at 59". Los Angeles Times. Retrieved September 11, 2013. 
  25. ^ ""Rampage" Jackson - There’s No Place Like His Second Home". Ultimate Fighting Championship. February 23, 2012. Retrieved September 11, 2013. 
  26. ^ Longman, Jere (October 23, 1998). "Griffith Joyner Died After Seizure in Sleep". The New York Times. Retrieved January 2, 2012. 
  27. ^ "It's graduation time for the O.C. kids on 'iCarly'". The Orange County Register. Retrieved February 10, 2016. 
  28. ^ "O.C. kids are all right on ‘iCarly' - The Orange County Register". The Orange County Register. Retrieved February 10, 2016. 

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