1 1/4" Female NPT Inlet X 1 1/2" Female NPT Outlet, Set at 125 PSI, 8,668,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1.25X1.5" 130# BRONZ REL VLV

1 1/4" Female NPT Inlet X 1 1/2" Female NPT Outlet, Set at 140 PSI, 9,607,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/4" Female NPT Inlet X 1 1/2" Female NPT Outlet, Set at 150 PSI, 10,234,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/4" Female NPT Inlet X 1 1/2" Female NPT Outlet, Set at 160 PSI, 10,860,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/2" Female NPT Inlet X 2" Female NPT Outlet, Set at 15 PSI, 2,417,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/2" Female NPT Inlet X 2" Female NPT Outlet, Set at 30 PSI, 3,696,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/2" Female NPT Inlet X 2" Female NPT Outlet, Set at 35 PSI, 4,122,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/2" Female NPT Inlet X 2" Female NPT Outlet, Set at 40 PSI, 4,548,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve

1 1/2" Female NPT Inlet X 2" Female NPT Outlet, Set at 45 PSI, 4,974,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve