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Thermostatic Mixing Valve (TMV) Testing

Date: 22 January 2020

Housing Trust are conducting annual Thermostatic Mixing Valve testing at all HT homes. Tenants will be receiving notice via mail or text to arrange. We have included some important facts about the process below.

What is a Thermostatic Mixing Valve (TMV)?

A thermostatic mixing valve is a valve that blends hot water with cold water to ensure constant, safe shower and bath outlet temperatures, preventing scalding.



Why has my property been selected for inspection?

Under the Australian Standard AS3500 Water Supply, Housing Trust are required to make sure the Valves are inspected and serviced by a licensed plumber.

Will maintenance work be undertaken as part of the inspection?

No maintenance work will be done at the time of the inspection; however, maintenance may be requested if an upgrade/repair needs to take place to the valve system.

When will maintenance work be undertaken and what work will be done?

Your Thermostatic Mixing Valves may not require any repair/maintenance. but the information collected will let us plan for when work may be needed in the future.  Should the inspection indicate that there is a safety issue then Housing Trust will inform you of the safety issue and respond immediately.

Who will conduct the assessments?

Assessments will be undertaken by a plumber from Complete Plumbing & Fire who have been engaged by Housing Trust to carry out these inspections.

You should ask to see this identification before letting any person into your home.

The plumber is not in a position to answer tenant enquiries or schedule maintenance work other than what they are there to inspect.

Does access have to be given for the inspection?

Yes. Housing Trust is legally obliged by the terms of the Residential Tenancy Agreement to ensure that your home is safe, fit to live in and kept in reasonable repair.

You will be contacted by Complete Plumbing & Fire to arrange an appointment date and time.  At least seven (7) days’ notice of the date of the inspection will be given together with a contact telephone number if you wish to arrange another time for the visit.

It is very important you allow the Plumber into your home to carry out the inspection.  If you refuse access, Housing Trust may obtain an order to access your home through the NSW Civil and Administrative Tribunal (NCAT).  Of course it would be much better if we could agree on a suitable date and time for both you and the plumber

How long will the inspection take?

The inspection will take approximately one (1) hour for Complete Plumbing & Fire to inspect and service the valve.

Who can I contact for further information?

If you need more information or would like to arrange an appointment, please contact

Complete Plumbing & Fire on 02 4229 5180

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Need help?

If you have any questions, get in touch with the Housing Trust team today.

We’re available at 02 4254 1166 or info@housingtrust.org.au