Hot Water Service & Repairs

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Hot Water Service and Repairs

Taking a cool shower provides cooling relief in 40 degree summer temperatures, but an unexpected hit of ice cold water isn’t so nice. While it could be as simple as a tank that needs refilling or a tripped circuit breaker, these issues are often more serious and therefore require professional repairs.

Hot water is essential to your daily routine, which is why here at Service Experts, we offer urgent and affordable same-day repairs.

We’ve been Melbourne’s most trusted water treatment specialists since 2002, and we’re on hand to get your hot water up and running again – whether the thermostat needs service or you require a whole new heat pump, we’ve got all hot water repairs and installations covered.

Common Hot Water Repair Issues

With average temperatures of 15 degrees, our winters in Melbourne are relatively forgiving compared to those in the northern hemisphere – but we still need reliable access to hot water. Regular plumbing maintenance is therefore essential for getting you not only through the colder months, but also allowing your family to enjoy hot water all year round.

Even if your plumbing systems appear to be running smoothly overall, ignoring small problems such as leaky water heaters or faulty heating coils could cause a complete system failure, leaving you with no hot water at all.

While there are plenty of things that could go wrong with your system, some of the most common diagnoses that we make include:

 

Having no hot water is the clearest sign of a complete system failure and usually indicates that a heating element isn’t working properly. We can restore water flow by repairing faulty thermostats, heating coils, thermal switches, or taking a look at your energy supply.

Running out of hot water is most often due to a tank that’s not large enough to meet your home’s demands. Choosing a bigger model or a tankless water system are two options our technicians may recommend.

Anything from a faulty temperature relief valve or a blocked drain could be causing leaks in your hot water tank. Valves relieve the pressure that builds up in the system and undergoes a lot of stress, so we may replace them to stop these leaks. Dismantling your tank to unclog the drains is another option we’ll consider.

Mineral and sediment build-up are two key reasons why you may be noticing high-pitched popping or rumbling sounds coming from your tank. Call us straight away if you hear a bubbling noise, as this usually indicates that the system is overheating or reaching dangerously high pressure levels.

We Service all these Major Brands and Many More

See what others are say about us

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Harold Nowak
9 October 2026
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Impressed with the job.
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Ashutosh Kapse profile picture
Ashutosh Kapse
9 October 2026
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Thanks Craig ! Excellent work - On time attendance - explained the issue - provided solutions and clear costing options - choice given to me to select an option (not pushy) - completed on time - all with friendly demeanor and smile on the face - wish all tradies were like this
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Julie Perrin
7 October 2026
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We were impressed by excellent communication, workmanship and follow through with Service Experts. From Josh who supervised and quoted with attention to detail through to Chris, Jada, Brodie and another Josh, we found every one of them had respectful, good humoured and responsive professional attitudes. This was a major piece of work over a couple of weeks, first a deep dig, then re-lining old pipes and reinstating paving afterwards. Very glad to have discovered this company.
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deane gilbert
6 October 2026
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Josh was a great plumber who quickly unclogged our shower drain. He was on time, tidy lovely, and great with my dog.
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Janette McInnes profile picture
Janette McInnes
6 October 2026
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All the team from Service Experts have been amazing. All the workers did an amazing job and were a pleasure to have at my property. All the staff have been helpful and reliable. I would be happy to recommend Service Experts for any plumbing works. Janette
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Kaye Charlton profile picture
Kaye Charlton
6 October 2026
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Craig and Josh from Service Experts were both totally professional and a pleasure to deal with. Great job in super quick time.
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Alistair Govier-Cole
5 October 2026
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Jordan, Jaela, Bryson, and Paul did a great job fixing all of our stormwater and toilet issues efficiently and thoroughly. All the work was done to a high standard and was very reasonably priced. They also left the place so tidy you wouldn't even know work had been done. Jordan also fitted a stubborn toilet seat for us at the end of the job. Thanks a lot team 👍
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Lisa K
2 October 2026
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Our hot water system died and they were able to come out straightaway and replace the unit the very next morning (thanks Jack). We use them for any gas, plumbing or electrical issues we have as the service is fantastic.
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Lachy Pettigrew
2 October 2026
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Josh, the electrician, came out to fix a broken spotlight and did a fantastic job. While he was here, he also checked the smoke alarms and circuit breakers and really went above and beyond to make sure everything was safe and working properly. He was professional, friendly and efficient from start to finish. Really happy with the service and would definitely use these guys again. Highly recommend Josh and the team!
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Caroline S
1 October 2026
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Thanks Craig for your professional workmanship

Types of Hot Water Systems We Service

Are you worried about that strange creaking noise or the constantly changing water pressure? Give yourself peace of mind and ensure that your systems are operating effectively with our comprehensive hot water health check.

While electric systems tend to be the most popular in residences throughout Melbourne, mainly because they warm up water quickly with minimal heat loss, heat pumps are also growing in popularity for encouraging huge savings in electricity usage. However, regardless of the system type, we’ll examine every component to diagnose any potential issues before they require expensive repairs, from hot water cylinders to TPR valves.

We’ve served over 10,000 customers in our 20+ years of service, so there’s really no issue or heater type that we haven’t come across – our specialists carry valves, thermostats, heating elements, thermocouples, and other components for all systems!

If the system is more than 15 years old or beyond repair, we may recommend a complete replacement, which is often the more cost-effective option. Either way, we can service all major brands, including Bosch, Aquamax, Therman, and Rinnai, so contact us to book your system checkup today.

Same Day Hot Water Repair Service

Call Us Today for Planned and Emergency Fixes

Sometimes, even the smallest of tap leaks or hot water shortages need fixing by a professional plumber. Systems powered at 240 volts or by a strong gas supply simply aren’t safe to touch without the relevant training and expertise, which is why Service Experts technicians are available around the clock.

Call 1300 390 045 or schedule your plumbing appointment online for an effective same-day service. Plus, with a 100% Lifetime Labour Guarantee,  enjoy peace of mind knowing that our staff will get the repair job done right first time, or we’ll fix it for free.

GET THE JOB DONE RIGHT
FIRST TIME AROUND

Hot Water Service & Repairs FAQs

Hot water systems vary in range to repair or replace, but this varies depending on the type and size of the issue. Replacing the entire system does depend on which components need replacing, disposal prices, and the cost of the new unit chosen.

We’d recommend installing an entirely new hot water heater if the repair costs are 50% of the replacement price. A replacement may also be worthwhile if your system is near the end of its lifespan or frequently breaks down.

Hot water issues can be caused by problems with electrical systems or the water heater itself, including:
  • Pilot light problems
  • Gas or water tank leaks
  • Faulty heating elements
  • Undersized tanks
  • Gas valve failures
  • Extreme weather conditions
  • Thermostat malfunctions
  • Electric heater breakdown

Firstly, ensure that the thermostat is set to around 50 degrees and then check whether the circuit breaker has tripped. You should also try relighting the pilot light and inspect the water heater tank for any leaks. If you notice moisture, foul smells, strange tastes, or any other issues with your water, call a plumbing professional for safe and effective repairs.

Residential hot water systems have a life expectancy of around 8 to 15 years.. However, this depends on how often you get maintenance and the system type; for instance, gas water heaters tend to last for 8 to 12 years, while electric systems can run for up to 15 years.

What we can do for you

Burst and Leaking Tap Repairs

Blocked Drain Repair

Hot Water Repairs

Bathroom Renovations

Drains & Sewers

Emergency Plumbing

Service Experts Guarantee

On Time Guarantee

We value your time and commit to being on time so in the event of delay we will pay YOU up to $5 for each minute we are late up to $300 max.

Same Day Service

We understand that things go wrong so we are ready to go when you call. But if we can’t get to you within 6 hours of your call we pay YOU $50.

Upfront Pricing

No matter the size of the job, we ensure that the customer is aware of exactly how much it will cost so you can approve before work begins.

Lifetime Labour Guarantee

Rest assured that when you call Service Experts, we provide a 100% Lifetime Labour Guarantee. We trust in our staff to do the job right or we’ll fix it for FREE.

Cleanliness Guarantee

We take every precaution to keep your home dirt clean including wearing special shoe covers. In the event of an issue, the work will be carried out for FREE.

Satisfaction Guarantee

We are a dedicated team that provide a high quality, reliable and safe solution for you the first time – every time.