20 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
dial plate
Construction; Plumbing
Trim piece found behind a single-control wall-mount faucet handle. Also known as a face plate.
diaphragm
Construction; Plumbing
Flexible membrane in a valve that deflects down onto a rigid area of the valve body to regulate water flow from the supply lines. This eliminates the possibility of debris build-up within the valve.
die
Construction; Plumbing
Cutting device used to thread pipe. A set of these attach to die-heads, and mounted on a threading device.
diffuser
Construction; Plumbing
Device for reducing the velocity and increasing the static pressure of a fluid passing through a system.
dilution air
Construction; Plumbing
Air that enters a draft hood or draft regulator and mixes with the flue gasses.
dip tube
Construction; Plumbing
Tube inside the water heater that sends cold water to the bottom of the tank.
