Watts 757DCDA-OSYXPIV-GPM 4 - Part of the 757DCDA Series Pipe Connection Fitting Durable construction designed for heavy

Durable construction designed for heavy duty commercial or industrial environments

This 8 IN flange accessory kit for series 709 and 909 helps to prevent the reverse flow of polluted water from entering into the potable water supply

while the black outer layers contain carbon black to improve outdoor durability

Acts as an emergency overflow to protect roof structures

Watts 757DCDA-OSYXPIV-GPM 4 - Part of the 757DCDA Series Pipe Connection Fitting Durable construction designed for heavyThis 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