Thermostatic Mixing Valve Installation and Servicing
Thermostatic mixing valves blend hot and cold water to deliver a set outlet temperature, reducing
the risk of scalding while allowing the hot water system to run at a safe storage temperature.
Plumbers install and service TMVs in bathrooms, kitchens and care settings such as childcare and
aged care. Post your job on The Quote Yard to compare quotes for thermostatic mixing valve
installation and servicing.
Safer water temperatures at taps and showers
Hot water storage still kept at safe levels
Helpful for children, older people and care facilities
Installation, testing and replacement options
Get quotes for TMV installation and servicing
Mention whether the job is for a home or a care setting, how many outlets you need managed by
TMVs and if any valves are already installed. Photos of plant rooms, under-sink pipework or
existing valve locations help plumbers understand what is involved.
Review of existing hot water system, pipe layout and required outlet temperatures for each area to be protected by TMVs
Installation of new thermostatic mixing valves or replacement of ageing valves within the quoted scope and locations
Commissioning, adjustment and temperature testing at outlets to confirm valves are delivering set temperatures correctly
Routine servicing and testing of existing TMVs, including cleaning strainers and checking for correct temperature response
Basic records of locations, set temperatures and service dates so future checks can be carried out on schedule
Thermostatic Mixing Valve FAQs
Why are thermostatic mixing valves used?
TMVs are used to deliver controlled hot water temperatures at taps and showers while keeping the hot
water system hot enough to manage bacteria growth. They help reduce scalding risks, especially for
children, older people and anyone who may not react quickly to hot water changes.
Do TMVs need regular servicing?
Yes, TMVs should be checked and serviced at intervals recommended by manufacturers or local
regulations. Over time, debris or scale can affect how they mix water. Regular tests confirm that
outlet temperatures remain within the intended range and that valves still respond correctly.
Where are TMVs usually installed?
TMVs can be installed centrally to feed a bank of fixtures, such as a group of bathrooms, or closer
to individual outlets depending on the building layout. A plumber will look at your pipework and
suggest locations that balance safety, access and cost for your situation.
Can I adjust the temperature on a TMV myself?
Some valves allow limited adjustments, but changes should follow the manufacturer’s instructions and
any site safety requirements. In many cases it is safer to have a plumber check and document any
adjustments so you know outlet temperatures remain within safe limits.
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