Watts 774DCDA-DOSY-CFM 8 - Part of the 774DCDA Series ZC100F-8NH and wet process areas

and wet process areas

UPC - 098268634303

Blowout proof stem

This 3 x 2 1/2 in make up spool

Female NPT inlet and outlet with quarter turn shutoffs

Watts 774DCDA-DOSY-CFM 8 - Part of the 774DCDA Series ZC100F-8NH and wet process areasThis 8 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality 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 protection