Watts 757NDCDA-OSY-CFM 8 - Part of the 757DCDA Series ADA Pad Membrane Flashing Clamp: Securely anchors

Membrane Flashing Clamp: Securely anchors the roofing membrane to ensure a watertight seal around the drain

It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections

and an atmospheric vent

luxury bathrooms

and reversible rubber seat discs

Watts 757NDCDA-OSY-CFM 8 - Part of the 757DCDA Series ADA Pad Membrane Flashing Clamp: Securely anchorsThis 8 IN, N pattern, double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri link check valves, two shutoff valves, and four test cocks. It has a cubic foot meter. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs. It is