Your water heater s relief valve can start leaking for one of two reasons.
Water heater temperature pressure relief valve leaking.
Reasons for water discharging from the relief valve.
A leakage in your water heater pressure relief valve is a sign of a malfunction in your overflow valve.
1 either the water pressure inside the tank is too high 2 the water temperature is too high 3 the t p valve hasn t been used in a few years 4 the wrong t p valve was installed or 5 the t p valve itself has failed.
It s better to take precautions before waiting till things get worse.
These valves may look identical but they re set to go off at 30 psi.
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.
Either the valve was triggered to open because of excessive temperature or pressure or the valve itself is faulty.
Close the cold water cut off valve going into the water heater.
Open the valve at the bottom and the pressure relief valve for a minute to drain a little water out of the tank and relieve the pressure.
Disconnect the overflow tube you may have to cut it and unscrew the valve with a wrench.
Open a hot water faucet near the heater to release pressure and drain the tank until the water level is below the valve.
To remove a t p valve first turn off the electricity or gas and wait for the water to cool which usually takes about 24 hours.
In the first case the valve will drain water out of the discharge pipe as explained above.
These valves cost less than 15 and replacing the valve is a very.
When you see water coming out from the water heater release valve there are two most likely causes.
Just replace the valve.
And many homeowners have complained that faulty and unattended temperature pressure relief valves have exploded at times they least expected in most cases.
First turn off the gas to the water heater or flip the breaker if it s electric.
If a pressure relief valve for a boiler is accidentally installed on a water heater it will leak like crazy from the start.