RPZ FAQs: Testing

What happens if an RPZ valve fails commissioning testing?

If an RPZ valve fails commissioning testing the RPZ tester has to notify the water undertaker within 24 hours. The valve itself will remain isolated until any action required by the water undertaker have been carried out. The RPZ tester will notify you what action is required.


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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.