Water Heater Relief Valve Discharge Pipe

The purpose of this drain line is to discharge potentially hot scalding water to a safe location so that a bystander is not scalded.

Water heater relief valve discharge pipe.

The temperature pressure relief valve or tpr valve on any heated appliance that contains water such as a heating boiler hot water tank water heater water cylinder must have a drain line or discharge tube properly installed routed and made of proper materials. This pipe is responsible for routing hot water released from the tpr to a proper discharge location. If the pressure in the tank exceeds 150 psi or the temperature exceeds 210 degrees fahrenheit the tpr valve opens to release the pressure. Just image the power that can be generated when the water starts to boil inside the tank.

This is to prevent a potentially catastrophic failure. If the temperature in the water heater reaches 210 or the pressure reaches 150 psi the relief valve will open reducing the pressure or releasing heated water to be replaced with cold water. Discharge through an air gap located in the same room as the water heater. These numbers will be printed right on the valve or on a tag attached to the.

This temperature pressure relief valve is not directly attach with the hot water pressure heater. You may have an issues with the hot water coming out of overflow pipe. The valve should be connected to a discharge pipe also called a drain line that runs down the length of the water heater tank. How doers get more done.

Temperature pressure relief valve discharge tubes drain lines their piping. Yes part of the video i have the camera between my teeth lol you ca. Building codes require temperature pressure relief tpr valves with discharge pipes on all new water heater installations. This is a very simple video on how to replace add a discharge pipe on a water heater.

Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap. In most of the disasters caused by hot water heater pipe leaking from the top the trp valve is involved. Heating element pressure relief valve rheem water heater accessories gas valve water heater accessories treater smokers hotwire. The discharge piping serving a pressure relief valve temperature relief valve or combination valve shall.

Instead it is attached with a discharge pipe link with hot water heater. 1 the discharge pipe cannot be directly connected to the home s plumbing drainage system but an air gap located in the same room as the water heater can used to connect to the drainage system. Scalding water and steam escape the tank through the valve and tube to relieve the pressure.