Your plumber sets your hot water storage tank to heat water to a minimum of 60ºC. This temperature is legally required to prevent bacterial growth from developing in storage tanks. However, it’s still too hot at 60ºC for safe usage, so the plumber installs a tempering valve after this, set at 50ºC. By mixing hot water with cold water to achieve the required 50ºC, you decrease your hot water usage and therefore your hot water demand.

Plus, our technicians can also assess all aspects of an old or new hot water system, including the pressure limiting valve.

We believe in transparency. We will guide you through our process, answer your questions and provide you with an upfront, no obligation fixed prices.

No matter how big or small the job is, whether you're a new or returning customer, we treat every job as important and strive for success.

Using a thermostatic element submerged in water, the 3-way mixing valve can selectively open and close pipes to allow hot and cold water in. It does this by expanding and contracting in response to temperature changes. This controls a piston that opens and closes the hot and cold inlet pipes, thus regulating the temperature.

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Thermann is one of the most efficient water heating systems around, with a range of options from solar boosted to heat pumps. We can install, service and repair your Thermann system.

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No matter how big or small your requirements are, Everhot has the right system. We at Metropolitan can help install or service your Everhot system.

Tempering valves are not needed on gas powered tankless continuous flow models, because they are already set at 50ºC. Meanwhile, any large capacity systems that heats water in storage tanks at a higher temperature must have one installed. This is because the storage tank temperature must be set to at least 60ºC to kill off harmful bacteria such as legionella bacteria.

Metropolitan Plumbing has experienced and local plumbing professionals who can service your current hot water system or provide you with a hot water system replacement. If something goes wrong with your hot water tap or tempering valve we can be at your door within an hour* of your call – or any time of the day.

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A tempering valve keeps the water delivered into your home from your hot water system at a safe temperature, which helps to avoid scalding or other possible injuries.

Dux is the big name in residential and commercial solar, heat pump and gas water heating. We can service and repair your Dux hot water system.

Rinnai is one of the biggest names in hot water systems. Metropolitan Plumbing has worked with Rinnai hot water systems for more than 25 years.

Dave.C was very friendly and professional especially for a Sunday. He was able to identify the cause of the leaky shower head, and provide two quotes. He was also able to show what the issue was and was able to advise what he had done to fix it. Thank you.

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Edwards is recognised for its superior performance and outstanding range of ground and roof mounted units offered in a range of colours.

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If you have emergency or a general household problem, please fill in the form and one of our friendly team members will endeavor to call you back as soon as possible.

If you’ve reached boiling point with the water temperature in your home, and need to get your instantaneous or stored hot water at a more manageable and safe temperature, get in touch with Metropolitan Plumbing today. In addition to tempering valves, we can replace all valve types including the inlet valve, sliding valve and more. We’ll have a plumber at your door in a flash.

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A tempering valve ensures your hot water stays steady at a safe temperature, so if something goes wrong with it, you could be at risk of scalding when you turn on the hot water tap.

Rheem has been going steady, hot and strong since 1939 with a comprehensive range of solar, heat pump and gas hot water solutions.

I had a toilet that wouldn’t stop running, and it was wasting so much water. They arrived promptly, diagnosed the issue, and replaced the faulty parts. Now my toilet works perfectly. Great service and reasonable rates.

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According to the Plumbing Code of Australia, you are required by law to install a hot water mixing valve when you install a new hot water heating system. While you may have the ability to set it to a temperature higher than 50ºC, doing so goes against the plumbing code. This applies to all types of systems which includes solar and heat pump powered models.

Stiebel Eltron was established in Germany, 1924. With over 95 years of experience in making hot water units, you can expect quality.

Only a licensed plumber, such as the experts at Metropolitan Plumbing, can install or replace a hot water tempering valve. Due to the incredibly specific nature of fine-tuning the part, you need an expert’s hand to set it to the correct temperature.

We also offer upfront pricing and an exciting range of finance options** for eligible customers, so we can take care of any hot water system replacements, repairs or installations straight away.

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Tempering valves are typically designed to be installed near the hot water system. Most can be installed in any orientation, vertical or horizontal, and have regulations related to installation distance depending on the type of water heater. Pressure-reducing valves may be installed where necessary, and most tempering valves require isolating valves on both inlet sides as well.

Chromagen is an internationally recognised manufacturer of highly efficient hot water systems.  Metropolitan can service, replace or repair your Chromagen system.

Unfortunately, Saxon no longer produces heating units, but Metropolitan can still service, repair or replace your old Saxon system.

The pressure limiting valve limits the pressure coming into the hot water system to 500 kPa. You only need this valve if the water pressure going into the system is too high.  There is no need to limit the pressure that isn’t there.

Wilson is an Australian owned and operated hot water system supplier with products to suit any need. Rest assured our technicians can install and service your Wilson hot water system.

They replaced our old, malfunctioning toilet. The installation was quick, and they checked for any leaks thoroughly. Reliable service we can count on!

The Zurn Wilkins 350 Double Check Valve Backflow Preventer provides low hazard protection for all applications. The flanged, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility.

The Model 350's convenient single access cover saves you unnecessary maintenance costs and repair time, and the patented compound check guarantees reliable performance and improved flow characteristics. The epoxy-coated ductile iron body provide corrosion-resistance, and the multiple shut-off and end connection options increase the installation versatility of the 350.

The valve is fed by the hot water and cold water pipes. Also known as a hot water mixing valve, it blends cold and hot water to prevent the temperature of your hot water supply from exceeding 50ºC.

Vulcan hot water systems are forged tough so that they can handle Australia's changeable climate without missing a beat.

Electrical, plumbing and air conditioning work is essential and we will be available to do the jobs you require in your home. Our friendly technicians are taking all precautionary measures and keeping to best hygiene practices.

We know our job site is your home and we completely respect that. We arrive neat and clean, and tidy up after we've completed the job.

Just choose a payment plan with one of our providers – Zip or Humm. You have the flexibility of weekly, fortnightly or monthly instalments. Some plans even accept a $0 deposit, so you pay nothing upfront.