Thermostatic mixing valve testing Sydney
Everyday Plumbing and Gas Services plumbers can take care of your routine TMV testing and maintenance requirements throughout the Sutherland Shire and Sydney's southern suburbs.
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Facilities have a duty of care to maintain a safe environment for all those using their property. This includes the delivery of hot water at a safe temperature, whilst reducing the risk of Legionella bacteria growth in water storage tanks. This can be achieved by installing and maintaining a thermostatic mixing valve (TMV).
The TMV blends hot water with cold to reduce the temperature of the water coming from the hot water system from the storage temp of 60℃+ to a much safer 50 or 45℃ outlet temperature. This measure helps prevent scalding and burns.
Thermostatic mixing valves are often installed in the following centres to ensure delivery of a constantly safe hot water supply:
- Nursing homes
- Child care centres
- Shopping and retail centres
- Respite facilities
- Aged care facilities
- Schools and after school care
- Restaurant bathrooms and hand wash areas
Thermostatic mixing valve maintenance
Due to the high-risk groups who use these facilities TMV testing and maintenance needs to be carried out regularly to ensure a consistent hot water temperature.
Required testing schedule
Australian Standard AS4032.3 TMV testing requirements:
- Thermostat and o-rings replaced every 5 years
- Testing, inspection and maintenance every 12 months
Recommended servicing and tests
Testing and maintenance of the TMV:
- Cleaning debris out of the strainer
- Check non-return valve operation
- Check discharge temperature at the nearest outlet
- Test hot and cold water shut off function
- Replace (every 5 years) or lubricate (yearly) dynamic o-rings
Your local TMV test and servicing specialists
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