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Water heater t and p valve leaking.
Close the cold water cut off valve going into the water heater.
The leaking t p valve may indicate the overall water pressure in your home is too high and that the pressure regulator is not working properly.
In the first case the valve will drain water out of the discharge pipe as explained above.
It relieving excess pressure in the water heater.
Part of the valve extends into the unit.
There s a problem with the valve such as a faulty seal and the water is unintentionally leaking.
When you see water coming out from the water heater release valve there are two most likely causes.
The relief valve is working the way it s intended and water drained to reduce the pressure inside the tank.
If your valve is dripping that may be a.
Your water heater s relief valve can start leaking for one of two reasons.
If a recently replaced t p relief valve starts leaking again it probably means that the relief valve is only doing it s job.
The valve is located on or near the top of the tank.
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.
Why might your water heater s relief valve start leaking.
Either the valve was triggered to open because of excessive temperature or pressure or the valve itself is faulty.
When this happens the fix gets a little bit more involved.
First turn off the gas to the water heater or flip the breaker if it s electric.
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.
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.
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When a water heater heats up the water in the tank the water expands.