The Watts 993RPDA is a reduced pressure detector assembly (RPDA). It was available in 4″-6″ sizes and was produced from 1998-1999. The body was made of epoxy coated cast iron. The 993RPDA utilized a 3/4″ 009M2 or 009M3 for the bypass assembly.
Backflow Preventer Repair ManualPart #: BFCATSign in to view price