Watts® Series LF174A ASME Water Pressure Relief Valves For Pressure Protection of Hot Water Heating Boilers
- • Lead Free* cast copper silicon alloy body safety relief valves for pressure protection only of all types of hot water heating boiler equipment. Pressure range 50 to 150psi (3 - 10 bar) with corresponding high ratings from 950,000 to 14,370,000 BTU/hr. Female inlet and outlet connections. Sizes 3⁄4" - 2". The LF174A features Lead Free* construction to comply with Lead Free* installation requirements.
- • Sizes: 3⁄4" – 2".
- • Seat located above drain; water cannot be trapped and sediment cannot foul seat.
- • Non-mechanical seat-to-disc alignment will not stick or freeze.
- • Water seal of high temperature resisting material isolates spring working parts from water during relief.