Water Heater Pressure Relief Valve Test

The temperature and pressure relief valve tpr valve opens to release pressure buildup in the water heater when the temperature or the pressure get dangerously high preventing a possible explosion.

Water heater pressure relief valve test. If you do it will lock and the water heater will drain. Watch as one of our master plumbers shows you how to test your water heater s pressure valve and keep your home s hot water system functioning properly. You only want to drain a gentle stream from the tank. Gently lift up the t p valve s lever but make sure to not push it all the way up.

If water continues to flow out of the valve after the test continue to raise and lower the valve to free any debris that may be putting it out of adjustment. A buildup of mineral salt rust and corrosion can cause a tpr valve to freeze up and become nonoperational. You should hear water and air coming from the valve and see water flowing into the bucket. The thermostat and pressure release valve on a water heater was designed to help keep your family safe.

The ideal water pressure should be between 50 and 60 psi.