16 Terms
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Plumbing
Referring to the skilled trade of working with pipes and plumbing fixtures that provide water or drain waste.
Industry: Construction
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Plumbing
union
Construction; Plumbing
Three piece fitting that joins two sections of pipe, but allows them to be disconnected without cutting the pipe. Used primarily with steel pipe; never in a DWV system.
usable storage
Construction; Plumbing
Percentage of hot water that can be drawn from a tank before the temperature drops to a point that it is no longer considered hot.
vacuum breaker
Construction; Plumbing
An anti-siphon device that prevents the backflow of contaminated water into the water supply system. Resurfacing a worn valve seat with a special tool. Stops leaks by providing a smooth sealing ...
valve seat
Construction; Plumbing
The non-moving part of a valve. Water flow is stopped when the moveable portion of the valve comes in contact with the valve seat.
vent
Construction; Plumbing
A pipe that allows air into a drain system to balance the air pressure, preventing water in the traps from being siphoned off.
vent header
Construction; Plumbing
A vent pipe into which several vents connect. The vent pipe leads to the vent stack and out of the building.
vent stack
Construction; Plumbing
Upper portion of the soil stack above the topmost fixture through which gases and odors escape.
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