Backflow Reference Manual - Beeco/Hersey

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Hersey E1


4",6", 8", 10"


This valve is a double check assembly. It was produced from approximately 1975 to 1978. It is a lead weight loaded swing check. The body was made of galvanized cast iron. The check seats are replaceable. A seat removal tool is needed to replace the seats. Internal hardware parts are made mostly of bronze.


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.