Backflow Reference Manual - Febco

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


The Model 765 is a pressure vacuum breaker assembly. Production began approximately 1975. It is of bronze body construction. The check seats are cast in the body and are not replaceable. Check springs are contained on the 1/2"-1 1/4" size when the bonnet is removed. The 1 1/2"-2" check spring is not contained when the bonnet is removed.


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.