Ames Fire & Waterworks

Series 400B ½` - 2` Backflow Preventer Repair Video

Join the experts at Watts as they walk you through the inspection and repair the Series 400B backflow preventers, sizes ½' - 2'. This video covers basic assembly maintenance as well as cam-check inspection and repair. To learn more about backflow, cross connections and water safety, check out http://www.amesfirewater.com

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