Backflow Reference Manual - Watts

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


This is a pressure vacuum breaker assembly. This assembly was produced from 1982-1993. The valve body is made of bronze. The check seat is cast into the body and is not replaceable. The springs are contained when the bonnet is removed. The check spring tension must be released for proper repair.


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.