Water Heater Pop Off Valve Leaking

I imagine it will and you ll know for certain why the relief valve is leaking yours larry ps.

Water heater pop off valve leaking.

Most hardware stores sell a 0 200 psi gauge that screws onto any hose thread like the drain of the water heater for around 15. If it s a gas water heater it will have a dial or an on off switch near the spot where the gas line connects. Turn off the power to the leaking water heater. First turn off the gas to the water heater or flip the breaker if it s electric.

If you do try to fix it here are the basic steps involved. Close the cold water cut off valve going into the water heater. If a pressure relief valve for a boiler is accidentally installed on a water heater it will leak like crazy from the start. If it s an electric water heater.

Open the valve at the bottom and the pressure relief valve for a minute to drain a little. My hot water heater is leaking from the pop off valve i have replaced it several times and now i have a new heater and guess what it is leaking through the pop off valve. In the first case the valve will drain water out of the discharge pipe as explained above. The second reason a water heater relief valve leaks is the water has gotten too hot if the temperature of the water in the water heater reaches above 210 degrees f the relief valve will leak or even blow off this is why the outlet of the relief valve must be piped to about 6 inches from the ground you would not want to get a blast of 210 degree f water in the face.

Watch the gauge and see if while heating the pressure rises well above 45 psi. Your water heater s relief valve can start leaking for one of two reasons. I have had 4 different plumbers check this out they put a new regulator at the water meter turned the temp of the water down replaced every thing in the old heater. If a pressure relief valve for a boiler is accidentally installed on a water heater it will leak like crazy from the start.

Either the valve was triggered to open because of excessive temperature or pressure or the valve itself is faulty. There is the off chance the gauge doesn t work.