Water Heater Overflow Valve Replacement

How to replace a water heater pressure relief valve testing the pressure relief valve.

Water heater overflow valve replacement.

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. Turn off the faucet that you turned on in step 3. 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 cold water to the tank.

Turn on the power or the gas when the tank fills with cold water. In this episode of repair and replace vance shows how to replace the temperature and pressure relief valve. Take note that the problem may not stop at replacing the overflow valve. There is a simple test to determine whether the tpr valve is operating correctly.

Open the valve at the bottom and the pressure relief valve for a minute to drain a little. 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. 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.

How do i replace a leaking pressure relief valve. Close the cold water cut off valve going into the water heater. First turn off the gas to the water heater or flip the breaker if it s electric. Add an expansion tank.

If a new tpr valve didn t solve the problem solder in a tee and a female threaded fitting on a. Required tools for this. Remove the old valve. Use the pipe wrench to screw the new valve into the side of the tank.

Prepare the water heater for repairs. Wrap plumber s tape around the threaded section of the new valve. 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.