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Hose union taps are typically categorised as a fluid category 3 or 5 risk. Below are some examples of backflow prevention which may be used where the hose union tap is categorised as either a fluid category 3 or 5 risk.
This arrangement would be acceptable where the installation is categorised as fluid category 3 or lower
This arrangement would be acceptable where the installation is categorised as fluid category 5 or lower
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.