Deringer 20G Double Check Backflow Preventer with Gate Valves

Deringer 20G (DC) double check backflow preventer with OS&Y gate valves, sizes 2.5 - 8 inches. The shortest, lightest, most economical backflow assembly.

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Deringer 20GX Double Check Backflow Preventer with OS&Y Gate Valves

NEW PRODUCT RELEASE‼️ Backflow Direct is very excited to announce the approval and release of the next group of Deringer and Magnum Gate Valve, By Backflow Direct

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Deringer 20G Double Check Backflow Preventer with Gate Valves

Deringer 20G Double Check Backflow Preventer with Gate Valves

Deringer 20G Double Check Backflow Preventer with Gate Valves

Ames Deringer Model 20 6 – 8 Double Check Valve Assembly Repair Video

Deringer 20/20G - Ames Fire & Waterworks

Deringer 30GX Double Check Detector Backflow Assembly

Deringer 20G Double Check Backflow Preventer with Gate Valves

NEW PRODUCT RELEASE‼️ Backflow Direct is very excited to announce the approval and release of the next group of Deringer and Magnum Gate Valve, By Backflow Direct