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ASSE (Plumbing) 1019-2011
- Performance Requirements for Wall Hydrants with Backflow Protection and Freeze Resistance
- standard by American Society of Sanitary Engineering, 09/21/2011
- Publisher: ASSE(Plumbing)
$23.00$45.00
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.
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