Temperature and pressure relief valves shall be installed so that the sensing element of the valve extends into the heater tank and monitors the temperature in the top 6 inches of the heater or tank.
Hot water heater relief valve extension.
Connect the relief valve to the opening in the water heater with a pipe wrench or an adjustable wrench measure the distance from the relief valve to the floor.
Connect the pipe and elbow to the pressure relief valve.
98 0 99 oz 70 99 70 99.
Place the other wrench on the drain tube.
Cut lengths of cpvc pipe to match the ones you re replacing as long as they extend to within 3 inches of the floor.
Use the first wrench to hold the tpr in place when you use the other to unscrew the drain pipe.
Cut the new pipe to length.
If the water heater thermostat fails to turn off at its temperature setting and continues to heat the water indefinitely the tpr valve will open and let the overheated water out.
But if the termination of the piping is not readily visible such as if it is located under the house the water will continue to drain until the homeowner gets an.
Place one wrench on the tpr valve to prevent the valve from moving a pipe wrench works well.