Gas Water Heater Leaking From Pressure Relief Valve

With all other faucets and water outlets turned off the pressure should be between 40 psi and 80 psi.

Gas water heater leaking from pressure relief valve.

During normal water heater operation a small volume of water may discharge from the valve during the heating cycle. When you see water coming out from the water heater release valve there are two most likely causes. Gas was still shut off and hence the heater was off. The relief valve is working the way it s intended and water drained to reduce the pressure inside the tank.

There s a problem with the valve such as a faulty seal and the water is unintentionally leaking. The valve is on the top of heater. From there the valve that is at the very bottom will need to be opened up. You will first need to get your cold water cut of valve closed before you begin to do any work for your water heater.

Step 4 overflow pipe. And the fourth reason a water heater relief valve leaks is thermal expansion when water heats it expands and water can not be compressed in most cases with a 50 gallon 50 000 btu gas water heater with a house water pressure of 50 psi the water expansion will not be great enough to cause the relief valve to leak. If a pressure relief valve for a boiler is accidentally installed on a water heater it will leak like crazy from the start. Shut the gas and cold water inlet and drained the water out.

My 11 year old gas water heater is leaking heavily in the pressure relief valve since this morning. Still leaking heavily in the prv. A leakage in your water heater pressure relief valve is a sign of a malfunction in your overflow valve. It s better to take precautions before waiting till things get worse.

Replaced the prv with new one and turned the cold water inlet on. This will allow your pressure relief valve to be opened up so that it will have a chance to drain the water out of your tank. If the gauge shows the pressure is at 150 psi or greater excessive water pressure is probably causing your pressure valve to leak. This is normal operation and safe.

No leaks in the past. And many homeowners have complained that faulty and unattended temperature pressure relief valves have exploded at times they least expected in most cases.