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.

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

Deringer 20/20G - Ames Fire & Waterworks

Ames Deringer

NEW AMES DERINGER 20 3" Double Check Valve Backflow Preventer

DERINGER 20 KIT (DC) 2 - Ames Fire & Waterworks

NEW AMES DERINGER 20 3" Double Check Valve Backflow Preventer

CE Center

Backflow Prevention