Backflow Reference Manual - Buckner

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


This is a pressure vacuum breaker assembly. It was produced from 1990-1994. It is a bronze bodied unit. The assembly has a replaceable check seat option. A seat removal tool is needed to change the check seat. Most internal parts are made of plastic. The check spring is contained on the 1/2"-1" size when the bonnet is removed. Note that each size will have a different model number for each size.


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.