Backflow Reference Manual - Wilkins

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6", 8", 10"


This is a manifold double check detector assembly. Production was discontinued in 1995. This model utilizes two 550 DCDA assemblies in conjunction with two specially constructed "Y" fittings which produces a manifold assembly. The 6" DCDAR contains two 3" 550 DCDA. The 8" DCDAR contains two 4" 550 DCDA. The 10" DCDAR contains two 6" 550 DCDA.


Common repair parts are a very small subset of the 10,000 plus items BAVCO stocks. Please feel free to contact us direct at 800-458-3492 for pricing on items not listed or backflow prevention devices.