3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 535,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Polished Chrome Hot Water Pressure Relief Valve

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 535,000 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 30 PSI, 535,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve with Test Report

3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 535,000 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 20 PSI, 377,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 25 PSI, 427,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 477,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV Brass Hot Water Pressure Relief Valve

3/4" Male 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" Male 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" Male 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