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.

Jeff Larsen - Business Owner - Jeff's Backflow Service

DERINGER 20 (DC) DBL CHK BFP

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)

Backflow Prevention

WS > backflow-devices > conbraco > double-check-valve-assemblies

NEW AMES DERINGER 20 3" Double Check Valve Backflow Preventer

DC vs RPZ: How is a Double Check Valve Different From an RPZ Valve?

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

Backflow Direct

Deringer 20 Double Check Backflow Prevention Valve (DC)

NEW AMES DERINGER 20 3" Double Check Valve Backflow Preventer