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// CODE SNIPPET

P2803.3 Pressure Relief Valves

Residential Code 2009 of Pennsylvania > 28 Water Heaters > P2803 Relief Valves > P2803.3 Pressure Relief Valves
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Pressure-relief valves shall have a relief rating adequate to meet the pressure conditions for the appliances or equipment protected. In tanks, they shall be installed directly into a tank tapping or in a water line close to the tank. They shall be set to open at least 25 psi (172 kPa) above the system pressure but not over 150 psi (1034 kPa). The relief-valve setting shall not exceed the tanks rated working pressure.

Related Code Sections


M2002.4 Boilers and Water Heaters, Pressure-Relief Valve
Boilers shall be equipped with pressure-relief valves with minimum rated capacities for the equipment served. Pressure-relief valves shall be set ...
Residential Code 2009 of Pennsylvania > 20 Boilers and Water Heaters > M2002 Operating and Safety Controls > M2002.4 Pressure-Relief Valve
M2002.4 Boilers and Water Heaters, Pressure-Relief Valve
Boilers shall be equipped with pressure-relief valves with minimum rated capacities for the equipment served. Pressure-relief valves shall be set ...
Residential Code 2015 of Pennsylvania > 20 Boilers and Water Heaters > M2002 Operating and Safety Controls > M2002.4 Pressure-Relief Valve
P2803.3 Water Heaters, Pressure Relief Valves
Pressure-relief valves shall have a relief rating adequate to meet the pressure conditions for the appliances or equipment protected. In tanks ...
Residential Code 2009 of Pennsylvania > 28 Water Heaters > P2803 Relief Valves > P2803.3 Pressure Relief Valves
P2804.3 Water Heaters, Pressure-Relief Valves
Pressure-relief valves shall have a relief rating adequate to meet the pressure conditions for the appliances or equipment protected. In tanks ...
Residential Code 2015 of Pennsylvania > 28 Water Heaters > P2804 Relief Valves > P2804.3 Pressure-Relief Valves
Section 1006 Boilers, Water Heaters and Pressure Vessels, Safety and Pressure Relief Valves and Controls
All pressure vessels shall be protected with a pressure relief valve or pressure-limiting device as required ...
Mechanical Code 2009 of Pennsylvania > 10 Boilers, Water Heaters and Pressure Vessels > 1006 Safety and Pressure Relief Valves and Controls
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