Outright Plumbing installs and repairs tempering valves with precision, fixed pricing, and same-day service. With 25+ years of expertise and 800+ five-star reviews, we keep your hot water safe and compliant.
Hot water that’s too hot can scald in seconds, while lukewarm water isn’t much good for showers or hygiene. A tempering valve is what keeps your hot water at the safe, steady temperature set by law. When the valve fails, you’ll notice it, and it needs fixing fast. Outright Plumbing installs and repairs tempering valves so your hot water stays safe, reliable, and compliant.
Tempering valves are just one part of the job. Outright Plumbing also looks after hot water systems, sewers, stormwater drains, taps, burst pipes, and everything else that keeps your home running smoothly.
Here’s a snapshot of the feedback we’re proud to receive every week.
When it comes to hot water safety, you want a team that knows the local rules, guarantees their work, and gives advice you can actually rely on. Here’s what sets Outright Plumbing apart.
We know the plumbing requirements across Melbourne’s southern suburbs, from heritage-listed homes to new builds. Our familiarity with council processes and older systems means we can resolve issues quickly and compliantly.
If we install or repair a tempering valve and it fails, we’ll come back and fix it at no cost. Our workmanship guarantee gives you confidence that the job will be done right the first time.
We don’t upsell or complicate the job. We give you honest options and let you choose what works best. Hundreds of 5-star Google reviews prove that our approach is fair and trusted by local families.
Our membership program offers discounts and priority bookings, making it ideal for strata managers, business owners, and families who want ongoing support from a team they already know.
Most homeowners don’t realise tempering valves even exist until something goes wrong. Here’s what we think every household should know about them.
A tempering valve mixes hot water from your system with cold water to deliver a safe outlet temperature, usually 50°C in bathrooms, and as low as 45°C in childcare and aged care facilities. This prevents scalds, especially for children and older residents, while still keeping water hot enough in the tank to kill bacteria like Legionella.
Valves are mechanical devices, so they wear out. Springs weaken, seals perish, and sediment clogs the internal parts. Signs of failure include:
Most valves last 5–8 years, depending on water quality and pressure, but high pressure or debris can shorten their life.
By law, new hot water installations in Australia must include a tempering valve. This keeps water safe at the outlet while the tank remains above 60°C to prevent bacterial growth. Skipping the valve is non-compliant and can void insurance or lead to fines. Licensed plumbers know the rules, test every installation, and record the delivery temperature before signing off.
A faulty valve often points to bigger issues, like a failing hot water system shedding rust or sediment. Servicing the valve means we also check anodes, pressure relief valves, and filters. This keeps the whole system healthy, extends the life of the hot water unit, and prevents repeat valve failures.
We keep the process simple so you know exactly what is happening and why. Every job is completed by licensed plumbers to Victorian safety standards.
When we arrive, we test your hot water system and the tempering valve itself. This confirms whether the valve needs a quick service, a full replacement, or if another part of the system is causing the temperature issue.
Once we know what is wrong, we explain it in plain English and outline repair or replacement choices. You will see the fixed price upfront, with no hidden extras or unnecessary upsells.
We complete the repair or replacement, verify safe outlet temperatures, and tidy up before we leave. You can trust your hot water to run safely and reliably again.
If your hot water isn’t safe, don’t wait. Call us and we’ll send a licensed plumber to your door the same day, with clear pricing and trusted expertise.
In larger buildings and public facilities, hot water safety isn’t optional. It’s regulated. Outright Plumbing installs, services, and replaces tempering valves across a range of sites where compliance and occupant safety are critical. From single bathrooms to multi-storey systems, we keep tempering valves working exactly as they should, protecting people and keeping properties compliant.
Take a look at more examples of our plumbing work across Melbourne.
Based in the heart of Bayside, we can get to you quickly when you need us most. Our team knows the area, the local homes, and the plumbing challenges common in this part of Melbourne, and we use that knowledge to solve problems efficiently.
From emergency callouts to scheduled maintenance, you can expect the same care, expertise, and attention to detail on every job. Count on us for prompt, professional service backed by genuine local knowledge.
Don’t worry, the faces are friendlier than the plumbing blockages we deal with.
We started as a two-person team operating out of our parents’ garage and now we’ve got a squadron of experts zooming around Bayside. We’d say that’s pretty solid proof of the quality of our work. Come meet the plumbers Melbourne trusts so much.
Director & Co-Founder
Ben started plumbing at just 16 and founded Outright Plumbing at 22, building it into a trusted name in Melbourne’s Bayside. He leads with hands-on experience, high standards, and a genuine focus on long-term client relationships.
Finance Manager & Co-Founder
Danielle co-founded Outright Plumbing from her parents’ garage and now manages the company’s financial heartbeat. Her background in construction and detail-driven approach keeps the business growing strong.
Senior Estimator
Ben brings years of hands-on experience and precision to every project he estimates. As Senior Estimator, his deep understanding of plumbing systems and commitment to accuracy ensure each job starts with clarity, confidence, and value.
Maintenance Coordinator
Courtney is the friendly voice on the phone and the organiser behind every maintenance booking. She makes sure plumbers arrive on time, customers are kept in the loop, and everything runs without a hitch.
Supervisor
Josh leads on-site operations with a steady hand and a sharp eye for quality. As Supervisor, he ensures every plumbing project runs smoothly, safely, and to the highest standard — keeping teams coordinated and clients confident.
Plumber
Kai brings a can-do attitude and a knack for solving tricky plumbing problems. He’s all about getting it right the first time, with a smile to match.
Plumber
Tom prides himself on work that not only meets but exceeds expectations. He makes sure every customer feels valued and looked after from start to finish.
Plumber
Alex is friendly, thorough, and focused on finding the best fix for each customer’s needs. He never leaves a job without making sure it’s up to his high standards.
Plumber
Callum’s attention to detail shows in every tap, pipe, and fitting he installs. He takes pride in both the function and the finish of his work.
Supervisor
Aron oversees day-to-day site operations with a focus on efficiency and craftsmanship. As Supervisor, he brings practical experience and clear communication to every project, ensuring work is completed safely, on time, and to exceptional standards.
Project Coordinator
Hayley keeps projects moving with precision and care. As Project Coordinator, she bridges the gap between office and site, ensuring schedules, communication, and documentation all flow seamlessly from start to finish.
Our FAQs are written with the help of our plumbers, who explain things in plain English and cut through the jargon. If you’ve ever wondered how tempering valves work, why they matter, or what to do when they fail, you’ll find the answers here.
For most Melbourne households, replacing a tempering valve costs a few hundred dollars. That figure usually covers both the part itself and the licensed labour to fit it, test it, and make sure your hot water is safe to use again.
The price can shift depending on a few things. The type of valve matters, because some models are designed for longer life or for specific systems like gas hot water or solar water. Access also plays a role; a valve tucked away behind a wall or in a tight space takes longer to replace than one that’s easy to reach. And finally, the age and condition of your hot water unit can make a difference if extra fittings or adjustments are needed.
When we quote for this kind of job, we confirm the full amount upfront so there are no surprises. That way, you know exactly what’s included: supply of the new valve, installation, checks to confirm the water is delivered at a safe temperature, and a guarantee on the work.
Most tempering valves last between five and eight years. After that, the internal components start to wear, and the valve may not regulate water properly.
Rather than thinking of it in strict timeframes, it’s better to look for the early signs that yours is due for replacement:
These issues don’t always mean the valve has failed completely, but they’re strong warnings that it’s not performing as it should. Because stored hot water needs to stay hot enough to prevent harmful bacteria like legionella, a failing valve can put your household at risk.
The simplest way to stay on top of it is by including the valve in the routine servicing of your hot water system. During a scheduled hot water system maintenance check, a plumber can test the accuracy of the valve, confirm the temperature of the water at your taps, and let you know if replacement is needed.
A tempering valve usually fails slowly, so the changes can creep up on you. The most common signs are:
If you’re noticing one or more of these problems, it doesn’t always mean the valve is completely broken — but it does mean it needs to be checked. Sometimes a clean-out will restore proper function, but more often than not the safest fix is replacement.
When a plumber inspects a failing tempering valve, they’ll test the temperature at your outlets, look for blockages caused by poor water quality, and check the rest of your hot water system to make sure the valve is the true cause. That way, you know the repair is targeted, not guesswork.
It’s a fair question. The short answer is no, replacing a tempering or thermostatic mixing valve isn’t something you can safely do yourself.
Why not? Because these valves are classified as a safety device under the Plumbing Code of Australia. They’re designed to regulate water so it never comes out of your taps hotter than around 50°C. That means the installation has to be tested, certified, and recorded by a licensed plumber.
Even if you’re handy, this isn’t a DIY job. The risks are too high:
So while it might look like a simple valve swap, replacing a tempering valve requires specialist tools, knowledge, and compliance. The safe choice is always to have a licensed plumber do the work — and give you the certificate that proves it’s been done safely and correctly.
There is, and the difference shows up in how long the valve lasts and how reliably it holds a safe temperature at your taps.
Cheaper valves often:
High-quality valves, like the blue cap tempering models commonly used in Melbourne homes, are built to handle daily use much better. They:
So while the upfront cost of a quality valve is higher, it’s usually the cost-effective and easy to install option once you factor in lifespan and performance.
Yes. By law in Victoria, replacing a tempering valve requires a licensed plumber. The valve is part of your hot water safety system, and the work must meet both the Plumbing Code of Australia and local regulations.
A licensed plumber does more than swap parts:
This protects you in two ways: it keeps your household safe from scalding or bacteria, and it keeps your property compliant if it’s ever inspected or sold. For a clear overview of what plumbing work must be licensed, see the Victorian Building Authority’s plumbing guidelines.
Yes, and in most cases it’s the smartest way to approach the job. A tempering valve is only one part of your hot water setup, so when we’re called to check it, we usually test the whole system at the same time.
A typical check might include:
This way, you don’t just get an answer about the valve, you also get peace of mind that the whole system is safe to use and working as it should. If any extra repair services are needed, we’ll explain them clearly and give you options.
For households considering a full system upgrade, our licensed team also carries out hot water services and installation, so we can guide you if a replacement unit is the better long-term fix.
Yes, and it matters more than most people realise. A lot of homeowners assume all tempering valves are the same, but there are different models designed for different hot water systems.
Some valves are made specifically for gas hot water systems, others for electric hot water or solar water units. Each type is built to handle the pressure, temperature range, and flow patterns of that system. Using the wrong one can cause:
There are also differences between tempering valves and thermostatic mixing valves (TMVs). Both mix hot and cold water to a safe level, but TMVs are often used in residential or commercial settings like hospitals, where stricter controls are needed.
So yes, the type matters. When our plumbing team replaces a valve, we check what system you have, explain the types of valves that suit it, and make sure the new valve is installed safely and correctly. For households wanting extra reassurance, we also offer ongoing plumbing maintenance so small issues don’t turn into big ones.
Follow our work, see behind-the-scenes updates, and get ideas for your next plumbing project by checking out our latest Instagram posts.
We know you need a plumber. Why else did you read all the way to the bottom of a plumber’s website? Let’s get to work! Fill out this contact form or, if it’s an emergency, give us a ring to book our Melbourne plumbers.
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