Water Heater Overflow Valve Replacement

There is a simple test to determine whether the tpr valve is operating correctly.

Water heater overflow valve replacement.

Turn on the power or the gas when the tank fills with cold water. Close the cold water cut off valve going into the water heater. Take note that the problem may not stop at replacing the overflow 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.

Remove the old valve. Cut the overflow tube on a top mount tpr with a hacksaw. Add an expansion tank. Required tools for this.

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. Turn off the faucet that you turned on in step 3. Wrap plumber s tape around the threaded section of the new valve. Prepare the water heater for repairs.

How to replace a water heater pressure relief valve testing the pressure relief valve. Turn on the cold water to the tank. First turn off the gas to the water heater or flip the breaker if it s electric. Before doing any work on a water heater you should always turn off the circuit.

If you do try to fix it here are the basic steps involved. If a new tpr valve didn t solve the problem solder in a tee and a female threaded fitting on a. Use the pipe wrench to screw the new valve into the side of the tank. 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.

In this episode of repair and replace vance shows how to replace the temperature and pressure relief valve. How do i replace a leaking pressure relief valve. Then unscrew the threaded fitting from.