Double Check Detector Assembly

12.5-557 DOUBLE DETECTOR CHECK VALVE ASSEMBLY (DDC).

8-350ADAFG - Zurn 8-350ADAFG - 8 Wilkins 350ADAFG Double Check Detector Assembly

Apollo 4ALF60AC3, 4 Backflow Preventer

Single/Double Detector Check Assemblies - Backflow Prevention - Products

Double Check Valve Assembly - How It Works

Watts 709DCDA 6 inch cast iron double check detector backflow preventer assembly prevents backflow of non-health hazard fire protection system

Watts 709DCDA-OSY-CPM 6 Double Check Detector Assembly

Double Check Detector Assemblies

Watts C300-OSYXPIV-GPM 4, Double Check Detector Backflow Assembly, 4 Inch Size, Shutoff Valve

2-1/2 350ASTDA-BG DOUBLE CHECK DETECTOR ASSEMBLY W/GRVD BUTTERFLY VALVES

N/A 4 Stainless Steel Double Check Detector Assembly with OSY Shutoff Valves and Gallons per Minute Meter

Watts 0111552

4 Deringer 30 GPM Double Check Detector Assembly (DCDA-ll)

8 Deringer 30 CFM Double Check Detector Assembly (DCDA-ll)

How to choose and install a backflow prevention assembly