Watts 757DCDA-DOSY-CFM 6 - Part of the 757DCDA Series chat-hdpe Z551-2NL-TG

Z551-2NL-TG

UPC - 098268051841

It is for applications that require a means to shut off the water supply to the water heater and for providing protection from excess water pressure caused by thermal expansion

UPC - 098268589290

Decorative SZ1 Grate Style: A distinctive grate pattern adds a stylistic touch while still allowing strong water entry and flow

Watts 757DCDA-DOSY-CFM 6 - Part of the 757DCDA Series chat-hdpe Z551-2NL-TGThis 6 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality, but not toxic, from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazards such as on fire