When you see water coming out from the water heater release valve there are two most likely causes.
Water heater t and p valve leaking.
In the first case the valve will drain water out of the discharge pipe as explained above.
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.
When this happens the fix gets a little bit more involved.
Your water heater s relief valve can start leaking for one of two reasons.
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The t and p valve which is located on the top or side of the tank opens and releases water or steam when the temperature or pressure exceed preset limits.
Close the cold water cut off valve going into the water heater.
If your valve is dripping that may be a.
The relief valve is working the way it s intended and water drained to reduce the pressure inside the tank.
The valve is located on or near the top of the tank.
If your t p valve is leaking constantly there s a good chance it s working exactly as intended and is relieving excess temperature or pressure inside the water heater.
Either the valve was triggered to open because of excessive temperature or pressure or the valve itself is faulty.
Diagnosing a temperature and pressure relief valve leak the t p valve which stands for temperature and pressure relief valve is a safety device that protects against excessive temperature and pressure levels in the leaking water heater.
When a water heater heats up the water in the tank the water expands.
Although many people automatically assume a leaking valve is a broken valve that isn t always the case.
It relieving excess pressure in the water heater.
First turn off the gas to the water heater or flip the breaker if it s electric.
There s a problem with the valve such as a faulty seal and the water is unintentionally leaking.
If the water pressure in the house seems normal and the water heater is heating normally then you may have a faulty t p valve that needs replacing.
If a recently replaced t p relief valve starts leaking again it probably means that the relief valve is only doing it s job.
Part of the valve extends into the unit.
