3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 35 PSI, 532,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 40 PSI, 587,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 45 PSI, 642,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 50 PSI, 697,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 60 PSI, 807,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 65 PSI, 862,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 70 PSI, 917,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 75 PSI, 972,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 80 PSI, 1,027,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve