Take note that the problem may not stop at replacing the overflow valve.
Water heater overflow valve replacement.
Fix water heater leaks replace the tpr 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.
In this episode of repair and replace vance shows how to replace the temperature and pressure relief valve.
If you do try to fix it here are the basic steps involved.
Prepare the water heater for repairs.
Turn on the power or the gas when the tank fills with cold water.
Before doing any work on a water heater you should always turn off the circuit.
There is a simple test to determine whether the tpr valve is operating correctly.
First turn off the gas to the water heater or flip the breaker if it s electric.
Wrap plumber s tape around the threaded section of the new valve.
Required tools for this.
Add an expansion tank.
Close the cold water cut off valve going into the water heater.
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.
Use the pipe wrench to screw the new valve into the side of the tank.
Turn on the cold water to the tank.
Then unscrew the threaded fitting from.
Cut the overflow tube on a top mount tpr with a hacksaw.
How do i replace a leaking pressure relief valve.
If a new tpr valve didn t solve the problem solder in a tee and a female threaded fitting on a.
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.
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.