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A trap primer is a plumbing device or valve that adds water to traps. The water seals in traps are needed to prevent sewer gases from entering buildings, but this water is subject to evaporation. Also, poor venting can cause water seals to be siphoned or blown out. The trap primer injects water, either directly or indirectly, to the trap to maintain the water seal indefinitely. The plumber wrench for screwing various pipes Plumbing, from the Latin for lead (plumbum), is the skilled trade of working with pipes and tubing for potable water systems and for drainage of waste. ...
// These water valves are regulated by handles. ...
A buildings waste-disposal system has two parts: the drainage system and the venting system. ...
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Sewer gas is gases produced in sewers by decomposing sewage and other decomposing organic matter. ...
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There are many types of trap primers. The simplest, typically for a floor drain's trap, is just a connection from a nearby sink's drain so that when the sink is used, some of the water flow is diverted to one or more traps. More common is a primer that is connected to the potable water supply and activates when pressure fluctuations are sensed, such as the flushing of a nearby water closet. Others depend on occupancy sensors or timers, for example. Many modern sinks are made of stainless steel such as this self-rimming example In plumbing, a sink or basin is a bowl-shaped fixture that is used for washing hands or small objects such as food, dishes, nylons, socks or underwear. ...
Drinking water This article focuses on water as we experience it every day. ...
Flush toilet A flush toilet or water closet is a toilet that disposes of the waste products by using water to sweep them away down a drainpipe. ...
Building codes may require trap primers for some traps, especially for where experience has shown that there are isolated and/or infrequently used drains such as remote floor drains. Where explosion hazards are high, specifying trap primers, whether required or not by code, is wise. Trap primers do require maintenance and replacement, so they should be installed in accessible locations. A building code is a set of rules that specify the minimum acceptable level of safety for constructed objects such as buildings and nonbuilding structures. ...
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