Backflow Reference Manual - A R I

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VB500 / VB501



This is a pressure vacuum breaker. Production began in 2016. The body is made of an UV resistent glass reinforced nylon. The check and air inlet are a modular design. The model VB-500 comes with lead free bronze shutoffs. The model VB-501 comes with union end nylon body shutoffs.


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.