Backflow Reference Manual - Febco

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2 1/2", 3", 4", 6", 8", 10"


This is a double check detector assembly production began in 2000 and was discontinued in 2007. The mainline utilizes an assembly similar to the Model 830. The bypass uses the 850B Model.


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.