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TMV Servicing & Maintenance
Integrated Compliance are the leading independent UK water treatment and water hygiene company offering a comprehensive range of expert services including the maintenance of thermostatic mixing valves (TMVs), TMV servicing, temperature monitoring and failsafe testing in all premises where the risk of scalding from hot water requires the installation and regular maintenance of thermostatic mixing valves.
Our specialist water hygiene & Legionella control services allow us to offer a range of expert services including the installation and replacement of thermostatic mixing valves, servicing (including valve and fine mesh strainer cleaning, descaling and disinfection), temperature monitoring and failsafe testing to ensure good water quality standards, safe water temperatures and health and safety standards are achieved and maintained.
Our TMV servicing services are delivered by experienced, water treatment engineers ensuring TMVs are maintained, serviced and tested regularly to ensure their correct operation.
TMV servicing, maintenance, temperature monitoring & failsafe testing
Our thermostatic mixing valve maintenance, servicing, temperature monitoring and safety testing services deliver important benefits to our customers including:
Ensure safe, accurate temperature control is achieved at water outlets (showers, baths and taps) in accordance with health and safety standards.
Water Quality Standards
Maintain appropriate standards and flow rates with regular cleaning, descaling and disinfection of thermostatic mixing valve components
Ensure TMV failsafe mechanisms operate correctly to protect users in the event of supply failure.
All thermostatic mixing valve inspections, maintenance and TMV servicing details are recorded and maintained.
What is a thermostatic mixing valve (TMV)?
A thermostatic mixing valve (TMV) is a specially designed plumbing valve that carefully mixes hot and cold water to control hot water outlet temperatures to safe levels. They are used in health and social care environments to protect people by reducing the risk of scalding from very hot water from showers, baths and wash hand basins.
How does a TMV work?
TMVs are precision mechanical valves that are designed to regulate and maintain water temperatures to safe levels even when water pressures or flow rates fluctuate.
As hot and cold water enters the mixing valve it is carefully blended using an internal thermal element to output a mixed water stream at a pre-set temperature that is typically between 39°C and 43°C. This is the recommended temperature range for hot water outlets where a TMV is installed.
TMVs also incorporate an essential failsafe mechanism that will automatically shut down the valve if either the cold water or hot water supplies fail. This ensures that people are protected from dangerously high hot water temperatures (interrupted cold water supply), and thermal shock from cold water (interrupted hot water supply).
Why are TMVs important for safety?
Children and the elderly are particularly at risk from scalding from hot water with accident statistics showing nearly 600 people suffered serious scald injuries in the UK each year. 75% of the victims of severe scalds were children under five years of age. Additionally, the figures also show that older people are at particular risk with those over the age of 65 accounting for almost two thirds of all fatalities in the UK.
TMV servicing & maintenance. What does it involve?
Our in-service TMV servicing and maintenance solutions are delivered by experienced, in-field water treatment and engineering experts and include the following:
Examine each TMV to identify if the correct valve is fitted, good accessibility and if isolation valves are fitted.
Measure and record the mixed temperature to ensure it is between 39°C and 43°C.
TMV Failsafe Test
Perform a TMV failsafe shut-off test, isolating the cold water supply.
Clean, Descale & Disinfect
Isolate each TMV and clean, descale and disinfect valve components and fine mesh strainers.
Managing the risks associated with scalding from hot water is a simple but essential safety management process. Regular testing and TMV servicing will help to ensure scalding risks are effectively managed and should be seen as an essential component in and regulatory compliance and Legionella control programme.
What should I do if I suspect an appliance is unsafe?
It is illegal for anyone to use a gas appliance if they suspect it is unsafe. Turn the appliance off and do not touch it until it has been checked by a Gas Safe registered engineer.
If you suspect there is a gas leak you should immediately do the following:
- Call National Grid’s Gas Emergency Freephone number: 0800 111 999
- Open all the doors and windows
- Shut off the gas supply at the meter control valve (if you know where it is)