757DCDA - Watts
Series 757DCDA, 757NDCDA Double Check Detector Assemblies prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Compact housings consist of two independently operating tri-link check valves, two shutoff valves, and four test cocks.
Double Check Detector Assemblies - Watts
Double Check Detector Assemblies are designed to prevent backflow of non-health hazard substances from being pumped or siphoned into the potable water supply. Certain models have a meter to detect ground leaks and unauthorized illegal taps.
774DCDA - Watts
Series 774DCDA Double Check Detector Assembly Backflow Preventers are designed to prevent the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. They have a compact construction and short lay length, ideal for retrofit installations.
709DCDA - Watts
Series 709DCDA Double Check Detector Assembly Backflow Preventers are designed to prevent backflow of non-health hazard fire protection system substances from being pumped or siphoned into the potable water supply.
Colt Series | Watts Brands
Double Check Detector Assembly (DCDA) Backflow Preventers are used primarily on fireline sprinkler systems when it is necessary to monitor unauthorized use of water. They may be installed under continuous pressure service and may be subjected to backpressure.
C300 - Ames Fire & Waterworks
Series C300, C300N Double Check Valve Assemblies prevent 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 …
3000SS - Ames Fire & Waterworks
Series 3000SS Double Check Detector Assembly Backflow Preventers are designed to prevent the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It consists of a compact construction and …
Deringer 30/30G - Ames Fire & Waterworks
Lightweight Stainless Steel Double Check Detector Type II Assembly Backflow Preventers with Integral Butterfly or OSY Shutoffs
774DCDA-DOSY-CFM 12 - Watts
This 12 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.
709DCDA-DOSY-CFM 8 - Watts
This 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.