3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4", 6"
See Wilkins 550/500A
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.