Watts LF174A-85 1 1/2 - Part of the LF174A Series Z100F-6NH The TS-OSY supervisory switch is

The TS-OSY supervisory switch is UL Certified

Specifications Kit Type Seat Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268386295

Features Rugged investment cast stainless steel body and cage

Features Can be installed vertically or horizontally

Low-Profile Dome Strainer: Streamlined strainer design allows for efficient water flow with minimal roofline obstruction

Watts LF174A-85 1 1/2 - Part of the LF174A Series Z100F-6NH The TS-OSY supervisory switch isThis 1 1 2 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