The Conbraco 4D-600 is a double check detector assembly (DCDA). It was available in 2 1/2″-10″ sizes and was produced from 2003-2009. The body was made of ductile iron with a fused epoxy coating. The 4D-600 utilized a Type II bypass assembly (single check).
Backflow Preventer Repair ManualPart #: BFCATSign in to view price