Plumbing Contractors Terms and Definitions

Flood Level Rim The top edge of a receptacle from which water overflows. Bidet A plumbing fixture similar to a toilet bowl used for washing genitals and posterior areas of the body. It is floor mounted, ususally next to a toilet, and incorporates a washing basin, faucet and sprayer. Storm Sewer A sewer used for conveying rain water, surface water, condensate. cooling water, or similar liquid waste. Backflow Backflow is the flow of water or other liquids, mixtures, or substances into the distributing pipes of a potable water supply from any source or sources other than the intended source. Back siphonage is one type of backflow. Vent Stack The vertical vent pipe installed to provide air circulation to and from the drainage system and that extends through one or more stories. Trip Lever The flush handle and actuating arm on a toilet tank. Also the lever that opens and closes the drain on a bathtub waste & overflow. Handshower A showerhead designed with a handle that is connected to a water supply via a flexible hose. Water Hammer A destructive, high-pressure surge in a water supply piping system accompanying the quick closure of valves or faucets on the system. The surge causes a shock wave which vibrates the pipes causing them to bang, knock or hammer against the wall or floor. Wet Vent A vent that receives the discharge of waste other than from water closets. Disposal Field An area containing a series of one or more trenches lined with coarse aggregate and conveying the effluent from the septic tank through vitrified clay Pine or perforated, non-metallic pipe, laid in such a manner that the flow will be distributed with reasonable uniformity into natural soil.

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	Did You Know?
	Steamfitters install automatic automatic controls. Steamfitters also install pipe systems that move liquids or gases under high pressure with automatic controls.|