Deringer 20 Double Check Backflow Prevention Valve (DC)
4.6 (290) In stock
Backflow Direct
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Deringer Backflow Preventers
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8 Deringer 20 Double Check Valve Assembly (DC)
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Deringer Xtreme Performance Backflow Assemblies have a larger body and check valves than our other Deringer backflow preventers, this gives you a huge
Deringer 30X (DCDA-II)
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