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TMV Commissioning Certificate

The Australian TMV (Thermostatic Mixing Valve) Commissioning Certificate documents the installation and commissioning of TMVs, which blend hot and cold water to prevent scalding at outlets such as showers, baths, and basins. TMVs are mandated in all Australian healthcare and aged care facilities and are required under the National Construction Code in certain residential applications. The certificate captures the valve make, model, set temperature, and test results confirming the valve operates within the required tolerance under AS 4032.1.

AS 4032.1:2005 (Water Supply — Valves for the Control of Hot Water), National Construction Code, state plumbing regulationsValid: Annual service and testing recommended

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Sample TMV Certificate certificate

Sample TMV Commissioning Certificate certificate created with CertBox, showing the professional PDF layout with property address, client details, and tmv location, each tmv: make, model, serial number, and type, set temperature and temperature range tolerance

Sample TMV Certificate with fictional data. All personal details shown are fake.

What it covers

  • Property address, client details, and TMV location
  • Each TMV: make, model, serial number, and type
  • Set temperature and temperature range tolerance
  • Cold and hot supply pressures and flow rate
  • Mixed outlet temperature test result
  • Isolation valve and check valve installation confirmation
  • Plumber licence number and commissioning signature

Who needs a TMV Certificate?

Licensed plumbers installing TMVs
Hospitals, aged care facilities, and childcare centres
Residential builders installing NCC-mandated TMVs
Facility managers responsible for TMV maintenance

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Frequently asked questions about TMV Certificate

Where are TMVs required in Australia?
TMVs are mandatory in all new healthcare facilities, aged care homes, and early childhood centres throughout Australia. The National Construction Code (NCC) also requires TMVs in shower outlets in new Class 1a dwellings (houses and apartments) in most states, to limit outlet temperature to 50°C for scalding prevention.
What temperature should a TMV be set to in Australia?
AS 4032.1 and NCC requirements set maximum outlet temperatures of 45°C for baths and 50°C for showers in domestic settings. Healthcare settings have stricter requirements — typically 43°C. The commissioning certificate records the set temperature and confirms it is within the required range.
How often do TMVs need to be serviced and re-tested?
TMV manufacturers and AS 4032.1 recommend annual maintenance and testing to ensure the valve is operating correctly. Healthcare and aged care facilities are typically required to carry out TMV maintenance every 6-12 months as part of their infection control and safety obligations.

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