1 shut off the cold water to the water heater and gas or electricity that heats the water heater.
Replace pop off valve water heater.
Changing the pressure relief valve is not a big job and they are fairly inexpensive.
Then turn off the water it may be best to turn the main water valve off many times the valves by the water heater don t hold and sometimes water feeds back through faucets in the home.
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.
When a tprv at a water heater leaks it s usually a simple fix.
These valves cost less than 15 and replacing the valve is a basic job.
Just a reminder replacing a water heater relief valve can be very dangerous it may be best to have it replaced by a pro.
The article replacing a water heater pressure relief valve covers these topics and the steps needed to complete the task.
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Just replace the valve.
As a bottom line you should replace the valve if it is older than the water heater s warranty.
Hot water heater temperature pressure relief valves.
Remove the overflow pipe from the pressure relief valve.
To do this connect a garden hose to the water heater s drain valve open a.
There are not many options for a.
This valve is very important in regards to the safety of your water heater.
2 drain the water from the tank until the water level is below the valve s location.
It will involve finding a replacement valve removing the old one and installing the new one.
First turn off the gas to the water heater or flip the breaker if it s electric.
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.