WMTS-533:2021 Wet well washers

Closed 7 Sep 2021

Opened 14 Jul 2021

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For Public Comment

Technical Specification for the WaterMark Certification Scheme

This new specification sets out requirements for a prefabricated washing device consisting of a rotating arm with included spray nozzles designed specifically for use with wet wells and tanks. These devices are designed to be permanently fixed to the wet well and not portable.

These devices operate on mains water supply pressure and control is integrated with the pump so as to function only when the pump is operational.

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Why your views matter

The ABCB is undertaking consultation to ensure stakeholders are informed of the development of all proposed new, or amended Technical Specifications. In undertaking this consultation stakeholders have an opportunity to provide input and/or comment during a Technical Specification's development.


  • Building and plumbing products
  • WaterMark


  • Technical specifications