Backflow Reference Manual - Watts

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770 DCDA / 772 DCDA


4" , 6", 8", 10"


This is a double check detector assembly. This model was produced from 1993-1997. The main valve unit is similar to the 770/772 series. The bypass unit utilizes the 007M1 3/4" assembly.


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.