Can I Relight the Pilot Light by Myself?
Yes, in many cases you can relight the pilot light by yourself — but only under the right conditions. If your hot water system has simply gone out due to a draught or a brief gas interruption, relighting it is a straightforward task most Melbourne homeowners can handle safely. However, if you smell gas, notice corrosion, or the pilot won’t stay lit, stop immediately and call a licensed professional.
Why Pilot Lights Go Out in Melbourne Homes
Melbourne’s unpredictable weather plays a bigger role in pilot light outages than most people realise. Strong southerly winds, particularly during autumn and winter, can blow out the pilot flame on older storage hot water systems installed in exposed outdoor locations.
Other common causes include a dirty or faulty thermocouple, a blocked pilot orifice, or a temporary interruption to your gas supply. Understanding the cause helps you decide whether this is a simple relight job or something that needs a licensed gasfitter’s attention.
Step-by-Step: How to Relight the Pilot Light by Yourself
Before you attempt anything, check that your gas supply is on and there are no gas odours around the unit. If everything seems normal, follow these steps carefully:
- Locate the gas valve on your hot water unit and turn it to the OFF position. Wait at least five minutes to allow any residual gas to disperse.
- Turn the valve to the PILOT setting.
- Press and hold the pilot button (or gas valve knob) down firmly — this opens the gas flow to the pilot tube.
- While holding the button, use a long-reach lighter or match to ignite the pilot flame at the pilot burner opening.
- Keep the button depressed for 30 to 60 seconds after the flame ignites. This heats the thermocouple so it can hold the gas valve open.
- Slowly release the button and check that the pilot flame stays lit.
- If the flame holds, turn the gas valve to the ON position and set your desired temperature.
Always refer to the manufacturer’s label on your specific unit, as steps can vary slightly between brands like Rheem, Rinnai, and Dux — all common in Melbourne households.
When It’s Safe to Relight the Pilot Light Yourself
You can safely attempt a DIY relight when the pilot has gone out due to an obvious external cause — like a windy night or a gas supply interruption — and there is absolutely no smell of gas around the appliance. The unit should be in good general condition with no visible rust, corrosion, or water leaks.
If the pilot relights on the first or second attempt and stays lit consistently, you’re good to go. Keep an eye on your hot water system over the next 24 hours to make sure everything is functioning normally.
Warning Signs You Should Not Ignore
There are several situations where you should not attempt to relight the pilot light yourself. These include:
- Any smell of gas near the unit or inside your home
- The pilot flame is yellow or orange instead of a crisp blue
- The pilot light goes out repeatedly within a short period
- You can see visible corrosion, rust, or damage to the burner assembly
- The unit is more than 10–12 years old and has never been serviced
- Water is pooling around the base of the hot water system
Under Australian Standard AS 5601 (Gas Installations), any gas appliance repair beyond basic operation — including replacing a thermocouple — must be carried out by a licensed gasfitter. In Victoria, this is also enforced by Energy Safe Victoria, which regulates gas safety across the state.
The Thermocouple: The Most Common Culprit
If your pilot light keeps going out shortly after you release the button, the thermocouple is almost certainly the problem. The thermocouple is a small safety sensor that detects whether the pilot flame is burning. When it fails, it cuts the gas supply as a safety measure — which is exactly what it’s designed to do.
Replacing a thermocouple is an inexpensive repair, but under Victorian regulations it must be performed by a licensed gasfitter. Attempting to replace it yourself could void your appliance warranty and create a serious safety hazard. If you’re in Melbourne’s south-east, you can find fast local help through our emergency plumber in Cranbourne North or our emergency plumber in Narre Warren South.
When to Call a Professional
If you’ve attempted to relight the pilot light by yourself twice and it won’t stay lit, it’s time to stop and call a licensed gasfitter. The same applies any time you detect a gas smell, hear unusual sounds from the burner, or notice your hot water has been inconsistent for several days. These are not DIY situations — they’re safety issues.
The Plumbing & Roofing Company provides 24/7 emergency hot water and gas repairs across Melbourne, including areas like Lyndhurst, Hampton Park, and Clyde North. Whether it’s a failed thermocouple, a faulty gas valve, or a hot water system that’s simply reached the end of its life, our licensed gasfitters can diagnose and fix the problem fast. If you’re in Melbourne’s south-east, our emergency plumber in Clyde North is available around the clock with no call-out fee.
Don’t wait in the cold — contact The Plumbing & Roofing Company today for fast, reliable hot water repairs.
Conclusion
So, can you relight the pilot light by yourself? Yes — if the conditions are right, there’s no gas smell, and the unit is in good condition, a basic relight is a safe and manageable DIY task for Melbourne homeowners. Follow the manufacturer’s steps carefully, and you could have hot water restored in under ten minutes.
However, if the pilot won’t stay lit, you detect gas, or your system is showing signs of wear, always defer to a licensed gasfitter. Gas safety is not an area to cut corners. For professional support anywhere across Melbourne’s south-east, visit The Plumbing & Roofing Company or call us for 24/7 emergency assistance.
Frequently Asked Questions
Is it legal to relight a pilot light yourself in Victoria?
Yes, simply relighting a pilot light is considered basic appliance operation and is permitted for homeowners in Victoria. However, any repair work — such as replacing the thermocouple or adjusting the gas valve — must be carried out by a licensed gasfitter under Australian Standard AS 5601 and Victorian gas safety regulations.
How long should I wait before relighting the pilot light?
You should wait a minimum of five minutes after turning the gas valve to the OFF position before attempting to relight the pilot. This allows any accumulated gas to safely disperse and reduces the risk of ignition of unburned gas.
Why does my pilot light keep going out after I relight it?
A pilot light that repeatedly goes out is most commonly caused by a worn or faulty thermocouple. It could also indicate a dirty pilot orifice, a weak gas supply, or a draught issue. If the problem persists after one or two attempts, contact a licensed gasfitter rather than continuing to retry.
How much does it cost to fix a pilot light issue in Melbourne?
The cost depends on the underlying problem. A simple thermocouple replacement is generally one of the more affordable hot water repairs. However, if the gas valve or burner assembly needs replacing, costs will be higher. A licensed gasfitter can assess your system and provide a clear quote before any work begins.
