This is a double check detector assembly. Production was begun approximately in. With the features of a detector check and a double check valve assembly, Model DDC II controls cross-connections that do not present a health hazar while.
The Hersey DDC II is a double check detector assembly ( DCDA ). It was available in 3” – 10” sizes and was produced from 1975-2004. DDC-II The Hersey DDC II is a double check detector assembly ( DCDA ).
We have Hersey backflow preventer parts: double check, reduced pressure, vacuum breakers more. Visit today for special pricing on Hersey parts. Hersey Model DDC II controls cross-connections that do not.
T present a health-hazar while also detecting leakage or . HERSEY DDC II – Read more about repair, hersey, valve, discs, bypass and assembly. FDC-RUB-KIT, Rubber Repair Kit, FDC Model and DDC II Model (20and Prior).
