Watts® LF174A Relief Valve, 1 Inch, FNPT, 75 psi, Media: Hot Water, Bronze Body, Stainless Steel Spring, Metal Seat, Non-Metallic Disc, Lever Actuator, 250 deg F, 3 Inch L x 5-3/4 Inch H
- Seat located above drain water can't be trapped and sediment can't 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
- Lead free
- 2055000 BtuH
Standard/Approvals: ASME Specified, MIL-V-18634B, Type I, Class 3A, Style A
Application: For Pressure Protection of Hot Water Heating Boilers
