Hot Water Heater Discharge Pipe Code

Summary of relief valve code requirements.

Hot water heater discharge pipe code.

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. Not be directly connected to the drainage system. 504 6 requirements for water heater tpr valve discharge piping the discharge piping serving a pressure relief valve temperature relief valve or combination thereof shall. Scalding water and steam escape the tank through the valve and tube to relieve the pressure.

2017 fbc residential 6 th edition 28 water heaters p2804 relief valves p2804 6 installation of relief valves p2804 6 1 requirements for discharge pipe 1114 1 4 storm drainage piping discharge piping shall meet the requirements of section 1102 2 1102 3 or 1102 4 and shall include a gate valve and a full flow check valve. The plumbing code can be a little confusing if your not a 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. 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.

5 f the discharge pipe for a water heater shall terminate within the same room or enclosure within which the water heater or hot water storage tank is located.