Water Heater Repair Pressure Relief Valve

Water heaters come equipped with a temperature and pressure relief valve also known as a tprv.

Water heater repair pressure relief valve.

A failed thermostat can cause the element to heat constantly resulting in overheating. Close the cold water cut off valve going into the water heater. Part of the valve extends into the unit. A water heater pressure relief valve is what prevents the levels of pressure from your water heater from getting to dangerous levels.

The relief valve is an important safety feature on the water heater. Turn the original pressure relief valve counterclockwise to remove it using an adjustable wrench. This valve allows water or steam to escape from the water heater if the temperature or pressure gets. Insert the replacement pressure relief valve into the water heater.

If at any point the temperature or pressure reaches an unsafe level the water heater triggers the relief valve to open and release water out of the tank until the temperature and pressure return to normal. If the water inside the unit gets too hot usually above 210 degrees or pressure builds up too high above 150 psi the water heater can become damaged or even explore. Usually what causes a leak is the minerals in the water that will deposit on your valve. If the water is overheating the dripping could be because the overheating tripped the valve.

If you do try to fix it here are the basic steps involved. First turn off the gas to the water heater or flip the breaker if it s electric. The valve is located on or near the top of the tank. Open the valve at the bottom and the pressure relief valve for a minute to drain a little.

Tighten the valve by turning. The t p valve which stands for temperature and pressure relief valve is a safety device that protects against excessive temperature and pressure levels in the leaking water heater. If it leaks then it can do quite a bit of damage in just a short amount of time with just the water that is leaked.