1/2", 3/4", 1", 1 1/4", 1 1/2", 2"
This is a pressure vacuum breaker assembly. Production began in 1991 and was discontinued in 2003. It is a bronze bodied unit. The check seat is cast in the body and is not replaceable. The check spring is contained when the bonnet is removed. Note each size has a different model number, but they are all in the 40-500 series.
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.