4D-600 / DCDA-4D


2 1/2", 3", 4", 6", 8", 10"


This is a double check detector assembly Type II. Production began in 2003 and was discontinued in 2009. The mainline assembly is similar to the model 4D-100. The bypass is a single check (not double check) valve.


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.