The Wells Rating

 We all know that WELS is important for consumers to know how to choose the most efficient products available to them. However, there can be confusion from a plumbing perspective on when and where you need to comply with the standard.

To help with this we have set out below a summary of what's required from an industry perspective to help you comply.


AS / NZS 3500 Plumbing and Drainage - Australian Government


You are required to comply with this standard if you intend to use or install one of the following products in a plumbing installation:

  • showers
  • dishwashers
  • clothes washing machines
  • lavatory equipment
  • urinal equipment
  • tap equipment
  • flow controllers.

This standard applies to alterations, additions and variations as well as new installations.

Please consult the Contact Officer for more information and to ascertain the level of compliance that may be required.


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