Water Heater Pressure Relief Valve Discharge Pipe Code California

At a minimum any water heater shall be secured in accordance with the california plumbing code or modifications made thereto by a city county or city and county pursuant to section 17958 5.

Water heater pressure relief valve discharge pipe code california. Many regions require the t p valve to lead outside for added safety and some may even require two valves for redundancy. March s featured code change. The temperature pressure relief valve tprv is an incredibly important life safety device on every water heater. The discharge piping serving a temperature relief valve pressure relief valve or combination of both shall have no valves obstructions or means of isolation and be provided with the following.

Discharge through an air gap located in the same room as the water heater. The terminal end of the drain pipe shall not be threaded 2010 cpc 608 5 discharge from a relief valve into a water heater pan shall be prohibited. T p valve the temperature and pressure relief valve is an important safety device which goes off when your tank exceeds 210 degrees fahrenheit or 150 psi. Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap.

The discharge piping serving a temperature relief valve pressure relief valve or combination of both shall have no valves obstructions or means of isolation and be provided with the following. 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. Which reads as follows. Relief valve drains shall not terminate in a building s crawl space.

1 equal to the size of the valve outlet and. Not be directly connected to the drainage system. P2804 6 1 requirements for tpr temperature pressure relief valve discharge pipe. Discharge through an air gap located in the same room as the water heater.

Not be directly connected to the drainage system. The discharge piping serving a pressure relief valve temperature relief valve or combination valve shall. Unlike the expansion tank which is intended to protect the piping system from pressure the tprv protects the water heater tank from experiencing more pressure than it can handle. 2019 california plumbing code section 608 5.

Water heater relief valve outlets. 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. Its proper functioning is the difference between a nice hot shower and an explosion.