4", 6", 8", 10"
This is a reduced pressure detector assembly. Production began approximately 1989 and was discontinued in 2005. It utilizes an assembly similar to the 4000 series for the mainline assembly. The bypass unit used was either the Watts 909 3/4" or Conbraco 40-200 3/4". Check the bypass assembly serial number tag to verify which you have.
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.