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Why is My Hot Water System Leaking?

It might be baffling to not know the exact cause of a water heater leak in your household or workplace. If you suspect a hot water system leak, you should contact Doherty Plumbing Solutions for assistance!

Leaving it until late could cause long-term damage to the unit itself, and even harm adjacent walls and flooring if the leaking water begins to accumulate. Slow leaks, which are not always promptly detected, can further cause irregular water flow from the hot water system.

So, before things snowball into a bigger plumbing issue, it is always advisable to act fast.

While some hot water unit leaks can be tackled with minor repairs, others might require a hot water heater replacement. In this case, licensed plumbing professionals such as Doherty Plumbing Solutions are there to help you find the best option.

What causes water heaters to leak?

Irrespective of any make or model of a hot water system, leaks springing from the unit could be due to one or more of the following causes:

  • Corrosion inside the tank resulting from the old age/overuse of a heater
  • Ill-fitting pipework, which might leave the unit’s supply lines loose
  • Damaged valves, including the pressure and temperature release valve (PTV) and expansion control valve (ECV), which help to keep the unit functioning optimally
  • Higher water pressure in the water mains, compared to the capacity of the heating unit

What to do if you notice a water heater leak?

If you find hints of a hot water system leak, take the following steps:

  1. Try to locate the source of the water leak.
  2. Turn off the water supply to the heating unit from the mains.
  3. Contact a professional plumber for peace of mind, and to gauge if you need a simple water heater repair or a full overhaul of the unit.

Who fixes hot water systems in Melbourne?

When your hot water system starts to act up, and you are frustrated by the sudden inconvenience, Doherty Plumbing Solutions’ team of expert plumbers can help.

Our licensed plumbers provide complete hot water services in Melbourne’s eastern suburbs, including repairs, maintenance and replacements/installations.

When you choose Doherty Plumbing Solutions for your Melbourne hot water services, you will receive top-of-the-line, quality workmanship.

In the event a hot water unit repair is not possible, we will work with you to determine a replacement that is suited to your home, budget, family, and lifestyle.

We work with industry-leading Australian brands for hot water units, and can make the necessary arrangements to order and install it in your Melbourne home or business.

For regular and reliable servicing of your gas appliances in compliance with the current Australian safety standards, reach out to our team for a quick response:

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    Came same day as I called to fix broken tap that couldn’t be turned off (had to turn water off at mains to stop flooding). Third time I’ve used them within 12 months for different issues. Very helpful, professional staff and reasonable pricing. Highly recommended.
    Garry & Wendy Grinsted Avatar
    Garry & Wendy Grinsted
    4/23/2024
    I was very impressed with the speed and professionalism of the plumber who attended the issue and resolved it. Would highly recommend this plumbing service to others and will use if needed for any future plumbing problems.
    Andrew Reid Avatar
    Andrew Reid
    5/20/2023
    Really responsive, great communication and quality of work. Been struggling to find good quality reliable trades but have found one here. Came recommended from my builder friend and can now recommend myself.
    Ben Leach Avatar
    Ben Leach
    6/20/2023
    For reliable plumbing services, call 03 9877 5775 or 0417 577 432