How do I know if I have a gas leak?

Gas Plumbing Chadstone

A customer in Chadstone reported a gas leak in their DUX hot water unit. Our licensed gas plumbers attended the call fast.

The Doherty Plumbing Solutions team investigated the unit and found the gas cock supply to the hot water unit was leaking, due to a loose compression nut. The existing compression nut was tightened, and soapy water test carried out around the appliance’s connections. Everything was found back to working order.

Everything was tested, and all was ok! The heater was now functioning perfectly relying on a gas booster unit.

How do you know if there is a gas leak?

A potential gas leak is not always easy to detect – it may not make a sound or is easily smelt/seen. Moreover, there could be a danger of Carbon Monoxide poisoning.

So, having a professional gas plumber inspect all gas appliances and pipelines regularly will ensure their safety and efficiency. Where required, they may also advise you on long-term fixes and the correct upgrades.

Observing these tell-tale signs might mean calling a licensed gas plumber for renewal/repair of your gas units and connections in Melbourne.

  • Physical manifestations
    A gas leak can be deceiving. A rotten egg-like stench in your property, and residents suffering from flu-like symptoms, including headache, nausea, muscle pain and weakness, shortness of breath, dizziness or chest pain, could indicate a potential gas spillage.
  • Gas output
    Erratic gas output, and when appliances start burning a yellow flame, could be signs of a problem in the supply line. A safely burning gas flame is bluish yellow in colour.
  • Hissing noise
    A hissing sound from a point in the gas connection or a gas appliance means there might be a leak. This requires an immediate fix, with the help of an expert gas plumber.
  • Unusual gas bills
    If you suspect the monthly gas bills at your household or workplace are inconsistent with the usage, this higher-than-normal amount could be a sign of faulty gas lines.
  • Decomposing plant matter
    Dead/decomposing/withering vegetation in spots around your property’s gas mains and connecting pipes could be a giveaway of gas line malfunctions.
  • Old, galvanized pipes
    Outdated galvanized gas pipes run the risk of corrosion and rusting, which need replacement in the long run to avoid gas leakage that might cause a health hazard.

More information:

When your hot wat

For the latest gas safety information from Energy Safe Victoria, please visit the following links:

You can also contact Energy Safe Victoria via info@energysafe.vic.gov.au or call 03 9203 9700 or 1800 800 158 (freecall). For any emergencies, please always dial 000.

How can Doherty Plumbing Solutions help?

As your local gasfitting experts in Melbourne’s eastern suburbs, our licensed and experienced gas plumbing professionals here at Doherty Plumbing Solutions can locate and safely carry out necessary repairs/renewals of all types of gas lines and appliances. We will provide you with a Gas Safety Report on completion of work.

Get in touch with the Doherty Plumbing Solutions office today at:

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    We had a leak in our Hot Water Service. James diagnosed the most likely cause over the phone. They came and repaired the problem that day. Tim was prompt and polite and the issue was fixed.
    Poison I Avatar
    Poison I
    6/20/2023
    Arrived at the scheduled time, completed the work professionally and in a timely manner, and to our complete satisfaction, as has always been the case in the past. Staff are always polite and skilled.
    Roger Wilson Avatar
    Roger Wilson
    10/13/2024
    Guys arrived on time ..they were very clear as to what our job required and in no time fixed our issue..I would highly recommend Doherty Plumbing!
    Janet halley Avatar
    Janet halley
    2/29/2024
    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
    I rang them early morning & they arrived on the same day. They found the leak which was under the house, fixed it promptly. The plumber was helpful & friendly, communicated well. I'll use them again.
    Elizabeth Avatar
    Elizabeth
    8/13/2024
    Communication pre visit was excellent. Yarra Valley water representative said that the problem was on our property and that you should have fixed it. We’re unsure about that and pleased that it was fixed promptly.
    Jane Woodman Avatar
    Jane Woodman
    1/13/2025
    The 3rd time I have used the Doherty team for Plumbing issues and I highly recommend them! Responsive, professional, polite and reasonably priced, all make for a great experience.
    Matt Lane Avatar
    Matt Lane
    2/29/2024
    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
    Call Doherty Plumbing after our hot water service stopped working. Arrived within specified timeframe and in the same day. Contacted us to let us know they were on the way. Fixed this issue on good time and clearly explained what was done. Excellent service from start to finish. Felt very comfortable with them. Well done. Highly recommend.
    Tas Kotsandis Avatar
    Tas Kotsandis
    6/20/2023
    I called Doherty with a problem that was causing me all sorts of issues. They sorted it out quickly and efficiently and got the job done without any fuss, on time, with courtesy and professionalism and at a reasonable price. I will use Doherty again!
    Christine Salau Avatar
    Christine Salau
    9/06/2023
    For reliable plumbing services, call 03 9877 5775 or 0417 577 432