Watts 007DCDA-DOSY-CFM 2 1/2 - Part of the 007DCDA Series ZA100F-6NH 6 x 6 foot stainless

6 x 6 foot stainless steel transition riser is used to connect to the main building overhead fire system or potable water supply

Strong Grates – Ductile iron material provides excellent durability

A no-hub outlet is standard for straightforward plumbing connection

Designed to handle heavy rainfall and rooftop loads

Watts 007DCDA-DOSY-CFM 2 1/2 - Part of the 007DCDA Series ZA100F-6NH 6 x 6 foot stainlessThis 2 1 2 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. It is ideal for protection at cross connections identified as non health hazards such as on fire protection systems and from other contaminants found at the service line entrance. It