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There are 15 entries in the glossary.| Pages: 1 |
| T & P Valve | Temperature & pressure relief valve. A safety device used to expel excess pressure or heat from inside a tank. |
| Tail Pipe | The pipe added below the jet assembly, in a weak well application. |
| Tailpiece | Section of pipe that runs between a fixture outlet and the trap. |
| Tank | Fixture reservoir for flush water. On a conventional toilet, the ballcock, flush valve, and trip lever are installed in the tank. A tank lid closes the top tank opening. |
| Tank Cross | A double-tee-shaped fitting installed between a shallow well pump and the bladder tank with integrated valve and gauge fittings, and an outlet for a pressure-relief valve. |
| Tap Tee | Cast iron tee with a threaded female side inlet. |
| Thermocouple | Small electric generator. Electron flow between the hot junction of 1200 degrees F and cold junction of 600 degrees F creates millivoltage. |
| Thermostatic Valve | Pressure-balancing shower mixing valve with automatic temperature control. When temperature or pressure fluctuations occur at the water inlets, a thermal actuator adjusts the hot and cold ratio to maintain the original temperature setting. |
| Trap | Curved section of drain line that prevents sewer odors from escaping into the atmosphere. All fixtures that have drains must have a "P" trap installed. A toilet is the only plumbing fixture with an "S" trap. |
| Trap Arm | The waste arm portion of a drainage trap. |
| Trap Dip | The U-bend portion of a drainage trap. |
| Trap Primer | A small feeder line connecting the cold water line directly to the drainage trap, which releases a small amount of water to the trap should it run dry to maintain the water seal. |
| Trap Seal | Height of water in a toilet bowl "at rest.". It provides the water seal which prevents sewer gases from entering the home. It is measured from the top of the dam down to the inlet of the trapway. Also referred to as deep seal. |
| Trapway | Channel in a toilet that connects the bowl to the waste outlet. It is where the siphonic action takes place. The trapway is measured in terms of the largest diameter ball which can pass through it. Also called the passageway. |
| Trip Lever | Flush handle and actuating arm on a toilet tank. Also the lever that opens and closes the drain on the bathtub waste and overflow. |
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