Backflow Reference Manual - Rockwell

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1 1/2", 2", 2 1/2",3", 4", 6"


The Rockwell 711 is a double check assembly. It was produced from approximately 1972 to 1978. It is a bronze body unit. Check seats were replaceable. Check springs were not contained when the check covers were removed. Most internal hardware parts are made 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.