The plumber can also easily replace the tempering valve once it gets to the end of its useful life. According to Australian Standard Regulations, tempering valves should be tested every 12 months to ensure they’re in good working order.

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Both hot water tempering valves and thermostatic mixing valves mix cold and hot water together to ensure a preset hot water temperature that comes out of the hot water taps.

TMVs are more accurate in their temperature control and respond faster to water temperature changes. While hot water tempering valves are accurate to 3 degrees Celsius + or -, TMVs are accurate to 1 degrees Celsius + or -.

It’s more common for TMVs to be installed in public buildings as they are more expensive but have a higher degree of accuracy. Plus, they tend to last longer than tempering valves. In general, the recommendation is to replace the O-rings and thermostats every 5 years.

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This ensures that people who are more at risk from scalding by hot water, such as young children and the elderly, are fully protected.

Hot water tempering valves and TMVs (thermostatic mixing valves) are often confused with each other because they serve a similar purpose. Both valves are designed to control the temperature of the hot water that flows from the taps inside a home.

Hot water tempering valves are commonly installed on every new household hot water service or during a hot water repair because they are cheaper to purchase and can be installed by any licensed plumber. On the other hand, the plumber needs a special licence to install a TMV.

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For any questions or advice about the wide range of plumbing supplies we stock, feel free to contact our friendly customer service team who will be more than happy to help you.

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At the same time, the tempering valve ensures that the hot water stored inside the hot water system sits at a temperature no less than 60 degrees Celsius in order to eliminate any bacteria from the storage tank.

At Forge Plumbing, we stock both the standard (yellow cap) and high performance (orange cap) hot water tempering valves for all residential plumbing installations. We have both tempering valves in two sizes - 15mm and 20mm.

If you’re after quality hot water tempering valves for your plumbing service, take advantage of our free shipping on every order and our free returns policy.

A thermostatic mixing valve operates in response to the thermal activity of the water. It will mix cold water with hot water before the hot water is sent through the taps into the home.

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When a backflow technician is testing the device, they’ll verify that all components are working properly. They can do this with a Mid-West backflow testing kit. By using a Midwest test kit you will be able to identify if any internal components are not protecting against a possible backflow occurrence. Mid-West makes a variety of high quality test kits including the models 845-5, 845-3, 830 and 835.

For this reason, the plumbing code requires that TMVs are installed in high risk facilities such as hospitals, aged care facilities, nursing homes, schools, childcare centres, hotels, respite centres and shopping centres.

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A hot water tempering valve blends cold water with the hot water stored in the hot water unit so that the hot water that comes out of the taps is at a safe temperature. For most hot water installations this would be around 40 to 50 degrees Celsius.

Generally speaking, when you use a Mid-West backflow testing kit, you’re testing a backflow to make sure it is operating correctly. A backflow needs to protect the drinking water system against a possible backflow occurrence. Having a faulty backflow valve can be lethal for the community who rely on that backflow prevention for clean drinking water. A Mid-West backflow test gauge will verify if your backflow is operating correctly and meeting testing standards.

While both tempering valves and TMVs control the temperature of the heated water coming out of the taps, there are some notable differences between the two.

The desired temperature of the hot water output is set by a qualified plumber during installation. The TMV has an element that responds to the temperature of the water and mixes cold water with the hot water so that the hot water that comes out of the taps at a maximum temperature of 50 degrees Celsius.

A hot water tempering valve also commonly referred to as a hot water mixing valve, is temperature activated and fully adjustable to produce a hot water output of between 40 to 50 degrees Celsius.

Typically a backflow needs to be tested on an annual basis. Some state regulations are different from others, some applications may require a closer eye, and if your backflow preventer has added stress you may need to test it more regularly. Check with your local water department or jurisdiction having authority to verify how frequently you should test your backflow. For all of your testing needs, use Mid-West backflow testing equipment. We also carry a full line of testing accessories and tools by Mid-West and many other manufacturers. Click here to see some different options.