Backflow Reference Manual - Mueller

Print this Page



4", 6", 8", 10"


This is a double check assembly. This unit was produced from approximately 1975-1989. The assembly has a cast iron check body. Check springs are contained when the covers are removed. Check seats are replaceable. A seat removal tool is needed to change the seats. The body had a painted epoxy coating to inhibit rust. The serial number is needed to order some repair parts.


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.