Water Heater Overflow Valve Replacement

Then unscrew the threaded fitting from.

Water heater overflow valve replacement.

There is a simple test to determine whether the tpr valve is operating correctly. How to replace a water heater pressure relief valve testing the pressure relief valve. Turn on the power or the gas when the tank fills with cold water. Prepare the water heater for repairs.

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. Remove the old 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. If a new tpr valve didn t solve the problem solder in a tee and a female threaded fitting on a.

Take note that the problem may not stop at replacing the overflow valve. Wrap plumber s tape around the threaded section of the new valve. Add an expansion tank. First turn off the gas to the water heater or flip the breaker if it s electric.

Required tools for this. Close the cold water cut off valve going into the water heater. Before doing any work on a water heater you should always turn off the circuit. Turn on the cold water to the tank.

Open the valve at the bottom and the pressure relief valve for a minute to drain a little. 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. 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. In this episode of repair and replace vance shows how to replace the temperature and pressure relief valve.

Use the pipe wrench to screw the new valve into the side of the tank. If you do try to fix it here are the basic steps involved. How do i replace a leaking pressure relief valve.