Hot Water Heater Pressure Relief Valve Discharge Pipe Installation

It s designed to release the pressure when there is too much of a load built up inside the water heater.

Hot water heater pressure relief valve discharge pipe installation.

So this release of its pressure causes your hot water tank overflow pipe dripping towards the floor where the hot water heater is placed. Mount prvs in a vertical position which means upright and with the spindle vertical. These numbers will be printed right on the valve or on a tag attached to the. Step 2 hold the tpr valve with the slip joint pliers.

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. The tpr valve will activate if either water temperature measured in degrees fahrenheit or pressure measured in pounds per square inch psi exceed safe levels. Not be directly connected to the drainage system. This is a very simple video on how to replace add a discharge pipe on a water heater.

The discharge piping serving a pressure relief valve temperature relief valve or combination valve shall. Every relief valve which is designed to discharge water or steam shall be connected to a discharge pipe. A valve installed in any position other than vertical might not perform correctly. Discharge through an air gap located in the same room as the water heater.

Verify the proper valve is installed the tprv on a water heater is set to discharge at 150 psi or 210 fahrenheit. Pressure relief valve installation mounting. Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap. Thread the tpr valve clockwise into the pressure relief fitting on the water heater and tighten it by hand until it is tight.

For flanged valves be sure to draw the bolts down evenly. This temperature pressure relief valve is attached to the discharge pipe. Whether you re installing a new indoor or outdoor tankless water heater or replacing a pressure release valve include a length of pvc pipe as a discharge line. Yes part of the video i have the camera between my teeth lol you ca.

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 flood rim level. This is especially crucial for cast iron valves.