Thermostatic Mixing Valve (TMV)

Thermostatic Mixing Valve (TMV) work is a new specialised class of work that includes the repair, alteration, maintenance and testing of a TMV. This new specialised class will commence on 18 November 2019.

If you intend to carry out TMV work after this time you must be registered or licensed in this new Victorian class of plumbing. If you do not hold the specialised class of TMV work after 18 November 2019 you cannot carry out this work.

You are ready to apply if you:

  1. are currently registered or licensed in the parent class of Water supply work.
  2. have successfully completed the prescribed unit in the last 5 years: CPCPWT4023A Commission and maintain hot and heated water temperature control devices.

If you have any questions about how this change impacts you, please download our Thermostatic mixing valve work fact sheet (PDF, 341.43 KB) or call us on 1300 815 127.

What is Thermostatic mixing valve work?

Get to know the regulation

Thermostatic mixing valve work is the repair, alteration, maintenance and testing of a thermostatic mixing valve.

Thermostatic mixing valve work does not include:

  1. the construction, installation, replacement or commissioning of a thermostatic mixing valve.
  2. the construction, installation, replacement, repair, alteration, maintenance, testing or commissioning of a tempering valve.

What competencies and experience do you need?

To be registered in Thermostatic mixing valve work you must already be registered in Water supply work.

Units of competency for Thermostatic mixing valve work

Registration and licensing

  • Commission and maintain hot and heated water temperature control devices (CPCPWT4023A).

To meet the requirements for registration or licensing in Thermostatic mixing valve work, you must:

  • be registered or licensed in the class of Water supply work.
  • have completed CPCPWT4023A Commission and maintain hot and heated water temperature control devices in the last 5 years.
  • successfully complete the VBA's examination of registration or licensing competencies for Thermostatic Mixing Valve work. If you successfully complete the training and assessment through Master Plumbers, you do not need to undertake the VBA's exam in TMV work.

How to apply

See: Apply for registration in a specialised or restricted class