Backflow Reference Manual - A R I

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RP500 / 501


1/2", 3/4", 1", 1 1/4", 1 1/2", 2"


This is a reduced pressure assembly. Production began in 2007. The body is made of a UV resistant glass reinforced nylon. There is a single access cover. The checks are an in-line modular design. There will be RV spring tension when the cover is removed. The RV stem is mounted between the check assemblies. The checks are an in-line modular design held in the body by a retainer.


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.