Deringer 20 Double Check Backflow Prevention Valve (DC)

The Deringer 20 (DC) is available in sizes 2 - 8 inches. It's the shortest, lightest, most economical backflow assembly on the market! Available online.

2 Deringer 50 Kit GPM Reduced Pressure Detector Assembly (RPDA-II)

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Backflow Direct: 2015

The Deringer 20 Double Check Backflow Preventer prevents non-health hazard pollutants from entering a potable water supply system when backpressure

Deringer 20 (DC)

NEW AMES DERINGER 20 3" Double Check Valve Backflow Preventer

Deringer 20 Double Check Backflow Prevention Valve (DC)

7 Reasons Utility Vaults are a Bad Choice for Backflow Installation

DESIGN, INSTALLATION, OPERATION AND MAINTENANCE MANUAL - PDF Free

Backflow Prevention

Deringer Xtreme Performance Backflow Assemblies have a larger body and check valves than our other Deringer backflow preventers, this gives you a huge

Deringer 20X (DC)