These thermostatic elements are the temperature sensitive elements which contracts and expand in relation to the water temperature. Whenever there is the sense of change in temperature inside the valve, it moves its piston up or down in order. This movement of piston changes the proportion of hot water and cold water in the valve. The movement of piston is vital in a thermostatic element as it shuts off rapidly in case the regulation of water fails.

Isolate the cold water supply in the valve for about 5 seconds, and if the water is still flowing be sure to check if the temperature is 49 C or the manually set temperature. This allows the user to check the fail-safe shut off function of the Thermostatic Mixing Valve.

This adjuster as name denotes is kept under the shield lock of the valve and has the ability to adjust the temperature in the valve. Basically the adjuster adjusts the position of piston thus adjusting the proper quantity of hot and cold water in the valve.

Thermostatic mixing valveadjustment

Proper installation and maintenance are also important in order to protect the filtration measures. The checking on the product are also needed for correct performance.

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The mechanism of Thermostatic Mixing Valves is a basic wax thermostatic principle which limits the quantity of hot water and cold water by blending. Also, if the temperature rises above the requirement point then the mixing valves automatically shuts down thus preventing extra hot water to flow through the pipe.

Thermostatic Mixing Valve22mm

Other factors such as hardness of water, arsenic water, alkalinity presence also have negative effect on the Thermostatic Mixing Valve. These elements have massive impact on the corrosion in Thermostatic Mixing Valve.

Thermostatic mixing valvehow it works

TMVs are made to counter the change determined by the temperature which is verified by the various TMV arrangements. It safe guards approved products by providing water in anti-scald temperature spectrum. Third party testing conducts it and confirms.<.p>

Thermostatic mixing valve is a valve used for maintaining water temperature by blending cold and hot water together in constant flow to ensure safety while washing hands, taking shower and / or bathing.

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Experts advise that the first servicing of the Thermostatic Mixing valves should be done within running of the valve after 6-8 weeks of its commissioning. After that the valve test should be done frequently there is a reasonable amount of doubt in mixed water temperature. Depending on the water temperature the second or third servicing can be done after 18 to 30 weeks of first servicing.

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Designed for maintaining water temperatures, these thermostatic mixing valves main purpose is to prevent scalding due to the hot water burns in elderly, young and vulnerable people.

The movement of piston is vital in a thermostatic element as it moves according to the thermostatic element’s sensor. It prevents scalding by shutting off rapidly in case the regulation of the hot and cold water fails.

Whenever a user suddenly changes water temperature directly from cold to hot, it results in temporary increase of seven degree Celsius. It then supplies water at a high temperature than the prescribed maximum. Therefore, users are not advised to make sudden changes in temperature control while using shower.

Water temperature around 60 C will severely burn the skins within five seconds of young children. Also the exposure to the water temperature of 49 C (which is common in most household) can cause a serious burning injury within two minutes.

Thermostatic Mixing Valve28mm

1. The activity in one or more outlet must not hamper the activity in any other outlet. 2. If a single valve is to be activated for supplying mixed water in more than one outlet then the pipe length and volume of mixed water should be at minimum.

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The elderly when exposed to high temperature in Thermostatic Mixing Valves have been found to have prolonged hospitalization. In case of children the exposing of high temperatures results in lifelong scalds along with traumatic experience.

The UK government has also stated that the use of Thermostatic Mixing Valve which meet up to the standard have to be used in the care homes and schools. So, for safety purpose the maximum temperature can be set up to 41 degree or less in the Thermostatic Mixing Valve.

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Thermostatic Mixing ValveBath

Checking and measuring the quantity of mixed water temperature in the outlet in order to know whether the piston mechanism is up and running.

The Thermostatic Mixing Valves can get wear off due to various reasons with hard water is one of the factors that wear off the valves. And also the frequency of use determines the life span of the Thermostatic Mixing Valves.

Experts advise to check your Thermostatic Mixing valves once a year for safety assurance by comparing it with an original set temperature. Testing should be done properly to assess the full functioning of the Thermostatic Mixing Valves.

Thermostatic Mixing Valve15mm

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These were the components of a Mechanical Thermostatic mixing valves. There are digital Thermostatic Mixing Valves which have slightly different approach in cooling water. The Digital Thermostats are controlled by the sensors present in the mixer. The Digital Thermostatic Mixing Valve has the sensor which can be turned on and off manually or in auto mode with advantages of a timer setting.

According to the guide published by the Department of Health for TMVS not fitted near to shower or tap or within a unit, a useful guide to suggest distances from a unit is the Health Technical Memorandum 04-01, reads as follow:

For use in homes OVER 4,000 sq. ft. with tank/tankless water heaters or pipe runs OVER 200 lineal ft. with tankless water heaters (100 feet for PF kit unit).

While installing it is necessary to check the manuals and instructions that come with the package. And even after it doesn’t work out as you planned it to be, then The best thing one can do in order to get his/her TMV working is getting assistance from the manufacturer.

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For use in homes OVER 4,000 sq. ft. with tank/tankless water heaters or pipe runs OVER 200 lineal ft. with tankless heaters (100 feet for PFS kit unit).

It is not mandatory to use Thermostatic Mixing Valves in the office or households by landlords but proper risk assessment should be done in order to prevent unseen accidents.

To Date there hasn’t been a process for accreditation to undergo for the Thermostatic Mixing Valve. Be sure to have a competent person during the installation. This will help in proper adjustment of the TMV.

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Initial phase is the most important phase in every case. So, here while installing the Thermostatic Mixing valve various factors are to be considered so that there won’t be any future issues.

If the main pressure and the pressure from water with high temperature differs then the water with high temperature is forced back. The high temperature water then goes down the pipe through a one sided valve (which blocks the other side). This results in failure of maintaining the water temperature desired by the user. However, an open vented system localizes expansion from the water heater. So, the contamination and a result of bad plumbing or incorrect plumbing can cause the failure in temperature control system.

There has been many physical as well as mental effects seen in the children and elder people due to high temperature set in Thermostatic Mixing Valves.

For use in homes UNDER 4,000 sq. ft. with tank/tankless water heaters and pipe runs UNDER 200 lineal ft. with tankless water heaters (100 feet for PF kit unit).

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Thermostatic mixing valvetemperature setting

Generally the Thermostatic Mixing Valves are genuine, stable and well built. The life span of Thermostatic Mixing Valves relies on various factors. The installation process, conditions in which they are operated should be equally emphasized too. Furthermore, the user’s behavior along with the quality and the servicing frequency also makes significant difference in its life span.

Thermostatic Mixing Valvetap

The Problem:How long do you wait for hot water when you turn on the faucet? 30 seconds, 1 minute, 2 or 3 minutes, longer? While you wait, a home with 5 taps can waste up to 15,000 gallons of tempered water down the drain. You pay for this potable water, wasted energy and sewage fees.

Sometimes the flow of regulators are stopped or jammed. It is due to the damp winter season which causes this sort of trouble. This will often show up in winter season so servicing within 6-8 weeks of commissioning is necessary.

The quality assurance of a Thermostatic Mixing Valve is done by the third party agreement which has clearly stated and it says “Through the compliance with the European standards can only be used to demonstrate the acceptance of in-line blending values. Also the threshold of 48 degree Celsius is not to be trespassed. Going through the third party like BuildCert is the only way of getting the Thermostatic Mixing Valves approved. So, the plans and policies made by the third party are programmed to meet different needs and should not be directly compared.”

Return Spring is the component in thermostatic mixing valve that functions by pushing the piston back to its normal position after the contraction or expansion of the piston due to the change in water temperature.

Muilding regulations for domestic property has clearly mentioned that the normal new households or materially changed households bathroom should not exceed maximum temperature of 48 C.

Thermostatic Mixing Valves are designed especially for being used at a single unit, wash hand basins, bathtubs and showers. Thermostatic Mixing Valves are mainly used within the Health Care, School and Residential Care services sector in order to maintain temperature without the risk of scalding.

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The UK Government is clear on the standard maintenance matter that the Thermostatic mixing valves are to be maintained as per to the standard required by the Law for the safety, hygiene and controlling of Legionella.

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“Pipe work accommodating blended water should be at minimum. So, precise attention should be directed towards the pipe work. For the record, two meter is the maximum length for a downstream dead log and a maximum of three meter for the spur.”