Water Heater T P Valve

The valve is called a t p valve or tpr valve for temperature and pressure relief.

Water heater t p valve.

1 shut off the cold water to the water heater and gas or electricity that heats the water heater. If the water heater thermostat fails to turn off at its temperature setting and continues to heat the water indefinitely the tpr valve will open and let the overheated water out. Shank temperature and pressure relief valve for electric and gas water heaters model sp8346 16 24 16 24. Another good thing is this is a very reasonable price you won t beat at big box stores.

Brass nclx a temperature and pressure relief valve model 21714 0150. Close the shutoff valve on the cold water inlet line that fills the water heater. Tprs are designed to automatically release water in the event that pressure or temperature in the water tank exceeds safe levels. Cash acme 3 4 in.

Here s how to replace a water heater temperature pressure relief valve. Another factor in determining the pressure rating of the t p relief valve is the code itself. This device is an absolutely critical safety item so you want the best. Set your store to see local availability add to cart.

It s a good idea to test yours annually and replace every so often. But if the termination of the piping is not readily visible such as if it is located under the house the water will continue to drain until the homeowner gets an amazing electric or gas bill and goes searching for the reason. The t and p valve which is located on the. Asme ansi and csa aga approved relief valves protect the water heater from excess pressures and temperatures by discharging water.

Watt s has a good reputation for reliability and quality. If all goes well a tpr valve never gets used except during testing. Every water heater whether gas or electric needs a temperature and pressure relief valve because without one it could begin to leak or even explode. Free delivery with 45 order.

Rheem protech 4 1 4 in. On the side or top of your water heater tank is a valve connected to a metal or plastic discharge tube pointing downward. Model codes require the t p relief valve be set no higher than 150 psi. Therefore a water heater with a mawp of 160 psi still requires a t p relief valve set at 150 psi even though the vessel is designed and built to withstand a higher pressure.

This is probably the most common t p relief valve in america. The last line of defense for pressurized equipment temperature and pressure t p relief valves protect equipment from excess pressure and ultimately catastrophic failure.