WATTS LF- 1 IN A.S.M.E. RATED WATER

Boiler Pressure Relief Valve

1" x 1", FPT x FPT, 150 PSI, 3795000 BTU/Hr, Lead-Free, Cast Copper Silicon Alloy, Automatic Reseating, Spring Loaded, Boiler Pressure Relief Valve
Spring Loaded; Automatic Reseating; 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; Meets Requirements of the Buy American Act; Lead-Free
This 1 inch Lead-Free boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a Lead-Free body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief, not as an operating control. The pressure setting is 150 psi (1034.2 kPa), with corresponding ratings of 3,795,000 BTU/hr.
Lead-Free; Pressure Steam Discharge Capacity 3795000 BTU/Hour at 150 PSI