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Mechanical backflow prevention devices which, depending on the type of device, may be suitable for protection against backpressure or backsiphonage, or both, should be installed so:
Uncontrolled if downloaded. This is informative, non-statutory guidance and intended for general guidance purposes only; it is subject to change.
Compliance with this information should not be relied upon as guaranteeing no enforcement action will be taken by water undertakers. Water Regs UK accepts no liability for loss, indirect or consequential loss arising from or in connection with this guidance document.