3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 50 PSI, 625,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Polished Chrome Hot Water Pressure Relief Valve

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 55 PSI, 675,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Polished Chrome Hot Water Pressure Relief Valve

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 55 PSI, 675,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Polished Chrome Hot Water Pressure Relief Valve with Test Report

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 60 PSI, 725,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Polished Chrome Hot Water Pressure Relief Valve