Watts 757DCDA-OSYXPIV-GPM 4 - Part of the 757DCDA Series snake fence resilient wedge disc design that

resilient wedge disc design that offers both positive seating and resistance against high differential pressure

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This 1 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 pressure relief valve has a 3/4 inch NPTF female inlet and outlet and a 70 psi pressure relief setpoint

UPC - 098268579734

Watts 757DCDA-OSYXPIV-GPM 4 - Part of the 757DCDA Series snake fence resilient wedge disc design thatThis 4 IN stainless steel double check detector backflow preventer is a crucial component in safeguarding potable water from contamination. Used primarily in fire line sprinkler systems where it prevents the backflow of fire suppression materials into the potable water supply, its installation is typically mandated by local authorities in areas identified as non health hazard continuous pressure applications. It has outside stem and yoke resilient