RPZ FAQs: Notification

W​hat changes should be notified to the local water undertaker?

Changes to an existing RPZ valve which are required to be notified will be listed in the condition of consent letter issued by the local water undertaker.

These could include, but are not limited to:

  • Changes in location
  • Substitution of a RPZ valve
  • Removal of an RPZ valve
  • Any other changes to plumbing installations.



To improve this information please give us your feedback >
Your Feedback


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.