Backflow Reference Manual - Watts

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957 RPDA


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


This is a reduced pressure detector assembly. This model was produced under the Hunter name from 2000-2002. In 2002 Watts bought the Hunter models and began production as the Watts 957 RPDA. This model will also be sold as an Ames model C500. The mainline assembly is similar in construction to 957. The bypass assembly used is the Flomatic RPZE 3/4" or the Watts 3/4" Model 919.


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.