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ASSE Standard #1019-2011(R2016) (Download)

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Performance Requirements for Wall Hydrant with Backflow Protection and Freeze Resistance (ANSI Approved: January 2017)

These devices shall have a permanent means to protect against backflow due to either backsiphonage or backpressure. The backflow protection shall include a minimum of two (2) mechanisms: an air inlet for preventing backsiphonage and a check valve for preventing backpressure backflow. These devices are terminal fittings that supply potable water to hose connections without danger of freezing.

Products downloaded are not to be reproduced or distributed in any way.

A hard copy version of this standard is also available. 

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