Thermostatic mixing valve (TMV) testing, servicing and cleaning carried out as per AS 4032.3-2004.
Attended site and located all TMVs.
Isolated water supply where required and removed strainers for cleaning.
Serviced and cleaned each valve to remove scale and debris.
Tested and fail-safe checked all TMVs in accordance with standards.
Recorded hot, cold and mixed outlet temperatures for compliance records.
Restored water supply and tested outlets to confirm correct function.

Multiple mixing valves failed their fail-safe test and require replacement as per AS 4032.3-2004.
Several valves identified as older tempering valve style which are no longer approved for use within the education department as per AS 4032.3-2004.