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ASSE (Plumbing) 1019 PDF download
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Performance Requirements for Wall Hydrant with Backflow Protection and Freeze Resistance
| Published by | Publication Date | Number of Pages |
| ASSE | 09/21/2011 | 24 |
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ASSE (Plumbing) 1019 – Performance Requirements for Wall Hydrant with Backflow Protection and Freeze Resistance
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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