Plumbing Dictionary


Plumbing termonalogy.

Browse the glossary using this index

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T

TEMPERED WATER

Water ranging in temperature from 85 F (29 C) to 120 F (49 C).

THERMOSTAT

An automatic device actuated by temperature changes, designed to control the gas supply to a burner, or burners, in order to maintain temperatures between predetermined limits.

TOP OUT

The installation of the plumbing systems before the wall covering goes on.

TRANSITION FITTINGS, PLASTIC TO STEEL

An adapter for joining plastic pipe to steel pipe. The purpose of this fitting is to provide a permanent, pressure tight connection between two materials which cannot be directly joined one to another.

TRAP

A fitting or device that provides a liquid seal to prevent the emission of sewer gases without materially affecting the flow of sewage or waste water through the fitting or device.

TRAP SEAL

The vertical distance between the weir and the top of the dip of the trap.

Tubing

Semi-rigid conduit of copper, aluminum, plastic or steel.

TYPE A DWELLING UNIT

A dwelling unit that is designed and constructed for accessibility in accordance with the provisions of CABO/ANSI AII7 .1.

TYPE B DWELLING UNIT

A dwelling unit that is designed and constructed for accessibility in accordance with the provisions of this chapter or CABO/ANSI A117.1.