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.

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

Deringer 20 (DC)

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Deringer 20 Double Check Backflow Prevention Valve (DC)

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The Deringer 20G Double Check Backflow Preventer w/ OS&Y Gate Valves prevents non-health hazard pollutants from entering a potable water supply system

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Backflow Direct: 2015

3 Deringer 20 Double Check Valve Assembly (DC)

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