Water Heater Relief Valve Pipe Code

Its proper functioning is the difference between a nice hot shower and an explosion.

Water heater relief valve pipe code.

These valves may look identical but they re set to go off at 30 psi. Not have valves anywhere. Unlike the expansion tank which is intended to protect the piping system from pressure the tprv protects the water heater tank from experiencing. The valve should be connected to a discharge pipe also called a drain line that runs down the length of the water heater tank.

A trapped tpr dischage pipe is a common defect when a replacement water heater s tpr valve is lower than the original one and the installer connects to the exisitng discharge piping at the wall. Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap. Section 608 5 upc 2009 relief valves located inside a building shall be provided with a drain not smaller than the relief valve outlet of galvanized steel hard drawn copper piping and fittings cpvc or listed relief valve drain tube with fittings which will not reduce the internal. Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap.

Below is what the code book says about the installation of the discharge pipe for a water heater relief valve. Irc mechanical code section 70 5 water heater relief valves. The temperature pressure relief valve tprv is an incredibly important life safety device on every water heater. The discharge piping serving a pressure relief valve temperature relief valve or combination thereof shall.

Comm 82 40 5 d 1 and 2 1 5 a f safety devices. T p valve the temperature and pressure relief valve is an important safety device which goes off when your tank exceeds 210. 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. Water heater pans or relief valve discharge piping to the point of discharge. This pipe is responsible for routing hot water released from the tpr to a proper discharge location. Not be directly connected to the drainage system.

Serve a single relief device and shall not. Discharge through an air gap located in the same room as the water heater. The california water heater code is part of a larger statewide california plumbing code and has several very specific restrictions. The discharge piping serving a pressure relief valve temperature relief valve or combination valve shall.

Not be directly connected to the drainage system.