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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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    Had a very positive experience with Doherty Plumbing. Easy to book, scheduled conveniently and on the day George went above and beyond to do a great job and go the extra mile with cleaning up. Very happy and would definitely use again.
    David Spong Avatar
    David Spong
    8/20/2023
    We called Doherty Plumbing Solutions to move the water meter on our property. They were prompt, had a very reasonable price, with excellent quality. Will definitely use them again.
    Andrew Luong Avatar
    Andrew Luong
    5/20/2023
    James scheduled the job and confirmed the appointment time within hours and George fitted our toilet which involved significant modifications to the floor as well as inlet/outlet positioning. He was punctual,obliging and professional. I highly recommend Doherty to anyone requiring plumbing services. In addition the fee was competitive and reasonable. Thank you guys,you will be our go-to for future jobs.
    Gerald Galatis Avatar
    Gerald Galatis
    12/30/2023
    For reliable plumbing services, call 03 9877 5775 or 0417 577 432