Turn off the faucet that you turned on in step 3.
Water heater overflow valve replacement.
If a new tpr valve didn t solve the problem solder in a tee and a female threaded fitting on a.
A trapped tpr dischage pipe is a common defect when a replacement water heater s tpr valve is lower than the original one and the installer connects to the exisitng discharge piping at the wall.
Simply drain some water from the heater take out the discharge tube remove the old valve put in the new one and reattach the discharge tube.
Turn on the power or the gas when the tank fills with cold water.
Then unscrew the threaded fitting from.
How to replace a water heater pressure relief valve testing the pressure relief valve.
Cut the overflow tube on a top mount tpr with a hacksaw.
Take note that the problem may not stop at replacing the overflow valve.
Before doing any work on a water heater you should always turn off the circuit.
How do i replace a leaking pressure relief valve.
There is a simple test to determine whether the tpr valve is operating correctly.
Remove the old valve.
The best step to take is to replace the valve with a new one which usually costs less than 20 and is easy to install.
Open the valve at the bottom and the pressure relief valve for a minute to drain a little.
Fix water heater leaks replace the tpr valve.
Prepare the water heater for repairs.
Use the pipe wrench to screw the new valve into the side of the tank.
Close the cold water cut off valve going into the water heater.
Required tools for this.
First turn off the gas to the water heater or flip the breaker if it s electric.
Add an expansion tank.
Wrap plumber s tape around the threaded section of the new valve.
8 termination of the tpr drain pipe cannot be more than 6 inches or less than two pipe diameters above the floor ground or waster receptor.