Water Heater Relief Valve Pipe Code

Not be directly connected to the drainage system.

Water heater relief valve pipe code. The discharge piping serving a pressure relief valve temperature relief valve or combination valve shall. Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap. Not have valves anywhere. Irc mechanical code section 70 5 water heater relief valves.

Water heater pans or relief valve discharge piping to the point of discharge. The valve should be connected to a discharge pipe also called a drain line that runs down the length of the water heater tank. Serve a single relief device and shall not. Serve a single relief device and shall not.

Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap. The california water heater code is part of a larger statewide california plumbing code and has several very specific restrictions. Not be directly connected to the drainage system. Unlike the expansion tank which is intended to protect the piping system from pressure the tprv protects the water heater tank from experiencing.

I always use the 18 rule with copper pipe before transitioning to pex pipe. These valves may look identical but they re set to go off at 30 psi. Discharge through an air gap located in the same room as the water heater. Its proper functioning is the difference between a nice hot shower and an explosion.

If a pressure relief valve for a boiler is accidentally installed on a water heater it will leak like crazy from the start. Water heaters shall be equipped with safety devices as specified in this paragraph. 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. This pipe is responsible for routing hot water released from the tpr to a proper discharge location.

The temperature pressure relief valve tprv is an incredibly important life safety device on every water heater. T p valve the temperature and pressure relief valve is an important safety device which goes off when your tank exceeds 210. The discharge piping serving a pressure relief valve temperature relief valve or combination thereof shall. Discharge through an air gap located in the same room as the water heater.

Below is what the code book says about the installation of the discharge pipe for a water heater relief valve.