1X1 1/4" 90# 3743000BTU RELF

1" Female NPT Inlet X 1 1/4" Female NPT Outlet, Set at 100 PSI, 4,105,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1" Female NPT Inlet X 1 1/4" Female NPT Outlet, Set at 125 PSI, 5,011,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1" Female NPT Inlet X 1 1/4" Female NPT Outlet, Set at 135 PSI, 5,373,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1" Female NPT Inlet X 1 1/4" Female NPT Outlet, Set at 150 PSI, 5,916,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1" Female NPT Inlet X 1 1/4" Female NPT Outlet, Set at 160 PSI, 6,278,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/4" Female NPT Inlet X 1 1/2" Female NPT Outlet, Set at 15 PSI, 1,777,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/4" Female NPT Inlet X 1 1/2" Female NPT Outlet, Set at 20 PSI, 2,090,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/4" Female NPT Inlet X 1 1/2" Female NPT Outlet, Set at 30 PSI, 2,716,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve