Water Heater Tpr Discharge Pipe

If temperature sensors and safety devices such as tprs malfunction water in the system may become superheated exceed the boiling point.

Water heater tpr discharge pipe.

1 the discharge pipe cannot be directly connected to the home s plumbing drainage system but an air gap located in the. What are the code requirements for the discharge piping from a temperature pressure relief tpr valve at a water heater. Tprs are designed to automatically release water in the event that pressure or temperature in the water tank exceeds safe levels. Building codes require temperature pressure relief tpr valves with discharge pipes on all new water heater installations.

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. This is a very simple video on how to replace add a discharge pipe on a water heater. The tpr valve discharge piping serving a pressure relief valve temperature relief valve or combination valve shall. The valve should be connected to a discharge pipe also called a drain line that runs down the length of the water heater tank.

Discharge pipe should extend from the water heater tpr valve and terminate within 6 from the floor surface distance and discharge location might slightly vary between some jurisdictions so check with your local code enforcement division or local licensed plumber. If the pressure in the tank exceeds 150 psi or the temperature exceeds 210 degrees fahrenheit the tpr valve opens to release the pressure. 2 the pipe should not be smaller than the outlet of. P2804 6 1 requirements for tpr temperature pressure relief valve discharge pipe.

Not be directly connected to the drainage system. Discharge through an air gap located in the same room as the water heater. Water heater tpr valve must have a discharge pipe attached to it blue tubing on this picture is just one of the few permitted types of pipes.