Backflow Reference Manual - Beeco/Hersey

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Hersey HDC


3/4",1", 1 1/2", 2"


This is a double check assembly. It was produced from 1986-1994. This is a wye pattern bronze bodied spring loaded plastic poppet style double check assembly. Check covers are screwed into the body. Check seats are cast into the body and are not replaceable. Check springs are not contained when the covers are removed.


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.