Watts LF174A 150 FS 2 - Part of the LF174A Series mainline-adatile This 3/4 inch two-way universal

This 3/4 inch two-way universal flow check valve is for use in commercial and residential hydronic heating systems to provide positive shutoff when circulator is not running

This 3/4 inch lead free dual check valve backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply

UPC - 098268580068

(8) O-rings and (1) grease packet

With a fabricated 12" × 12" × 8" body constructed of Type 304 stainless steel

Watts LF174A 150 FS 2 - Part of the LF174A Series mainline-adatile This 3/4 inch two-way universalThis lead free pressure relief valve has a 2 inch NPTF female inlet and outlet and a 150 psi pressure relief setpoint. This valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a lead free copper silicon alloy body, non metallic disc to metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water