A leaking relief valve at the water heater: why it's leaking and what to do about it Water heaters come equipped with a temperature and pressure relief valve, also known as a TPRV. This valve allows ...

Q: My water heater leaks from some type of a brass valve on the side of the tank near the top. There is a pipe that comes out of the valve at a right angle that looks like it goes through the wall.

When a temperature and pressure (T&P) relief valve at a water heater leaks, it's usually a simple fix; just replace the valve. These valves cost less than $15, and replacing the valve is a very basic ...