You step into the shower on a chilly morning in Caboolture, only to be met with a blast of icy water. You quickly check the gas hot water system outside, only to find that the pilot light has gone out once again.
If this problem seems to be a recurring theme at your home, you're not alone. The storm season in Caboolture can be particularly harsh on gas hot water systems. The combination of strong winds, heavy rain, and pressure fluctuations during significant weather events can severely affect the pilot lights in these systems.
In this article, we'll explore the reasons behind these issues, guide you on how to safely relight the pilot light, and inform you when it's essential to call a licensed gas fitter for assistance.

Understanding Why Pilot Lights Go Out During Storms in Caboolture
Many gas hot water systems in Caboolture are located outside, which exposes them directly to the unpredictable elements of our local weather. This exposure can lead to several issues:
- Wind gusts — Strong westerly winds and incoming storm fronts can blast straight into the burner compartment. A single strong gust can easily extinguish the pilot flame. Homes situated on exposed blocks in Upper Caboolture and along the D’Aguilar Range are particularly susceptible to this issue.
- Rain ingress — Heavy rain, especially when driven sideways by wind, can infiltrate the unit. When water reaches the thermocouple or burner assembly, it can cause the flame to go out. Older systems lacking proper weather shields are at a higher risk of this problem.
- Gas pressure fluctuations — During severe storms, the supply pressure of gas can experience slight drops across the network. If your pilot flame is already weak due to a dirty jet or an aging thermocouple, any dip in pressure can extinguish it.
- Faulty thermocouple — The thermocouple is a crucial safety device that sits within the pilot flame. If it detects that the flame has gone out, it automatically shuts off the gas supply. However, if it is worn or corroded, it may misinterpret the situation and shut off the gas even when the flame is still burning.
- Blocked pilot jet — Dust, spiders, and insects often find their way into gas appliances, leading to blockages. A partially obstructed pilot jet can produce a weak flame that is easily extinguished.
Step-by-Step Guide: How to Safely Relight Your Gas Hot Water Pilot Light
Before attempting any repairs, it is essential to read the label on your gas hot water unit. Each system has specific relighting instructions printed on its casing, so always follow those first as they pertain directly to your model.
Here’s a general outline of the relighting process for most systems:
- Turn the gas control knob to OFF — Allow at least five minutes for any residual gas to dissipate. If you can strongly smell gas, do not attempt to relight the pilot. Evacuate everyone from the area and contact emergency services by calling 000.
- Turn the knob to PILOT — Press and hold the knob down, which opens the gas valve leading to the pilot jet.
- Press the ignition button — Most modern systems feature a piezo igniter, which may require multiple presses. Older models might necessitate using a long match or a BBQ lighter instead.
- Hold the knob down for 30 to 60 seconds — This duration allows the thermocouple to heat up and detect the flame. Releasing the knob too early will result in the gas shutting off, forcing you to restart the process.
- Turn the knob to ON — The main burner should ignite when the unit calls for heat.
If the pilot light ignites but fails to remain lit after you release the knob, it likely indicates that the thermocouple needs replacement. In such cases, contacting a qualified gas fitter is essential.
Identifying When to Contact a Licensed Gas Fitter
While some pilot light issues can be straightforward to resolve, others may pose safety risks. Here’s how to distinguish between them:
- The pilot won’t stay lit after multiple attempts — This could indicate a worn thermocouple, a faulty gas valve, or an issue with the gas supply. All these situations require professional assessment.
- You smell gas when the pilot is out — Gas pooling around the unit is a serious safety hazard. Do not attempt to relight it; instead, call for immediate assistance.
- The flame is yellow or orange instead of blue — A healthy pilot flame should be blue with a small yellow tip. A completely yellow flame suggests incomplete combustion, posing a risk of carbon monoxide. It is crucial to have it examined.
- The unit is over 10 years old — Older systems are more prone to wear on critical safety components. If the pilot light keeps failing, it might be time to consider investing in a new gas hot water system or switching to a heat pump hot water system.
- Water is leaking from the unit — If you have leaking issues alongside pilot light problems, it could indicate that the tank is failing internally.
In Queensland, all gas work must be conducted by a licensed gas fitter. This is not merely a recommendation; it is a legal requirement under the QLD Plumbing and Gas Regulation. Attempting unlicensed gas work can void your insurance and significantly endanger your family’s safety.
Effective Strategies to Prevent Pilot Light Problems
- Install a wind guard — A simple metal shield surrounding the burner compartment can effectively deflect wind away from the pilot light. We commonly install these during standard gas hot water services.
- Maintain a clear area — It is important not to stack items around your hot water system. The unit requires sufficient airflow for safe combustion and easy access for maintenance.
- Schedule annual servicing — A licensed gas fitter will inspect the thermocouple, pilot jet, burner, and all connections. Addressing minor issues during these check-ups can prevent more significant problems later.
- Inspect the weather shield — Ensure that the casing panels are intact and properly sealed. Missing or damaged panels can allow weather to enter the unit directly.
- Consider a TMV (tempering valve) test — If your system includes a tempering valve, it should be tested to ensure the water temperature remains safe, especially if there are young children in your household.
Common Inquiries About Pilot Light Issues
Is It Dangerous If My Pilot Light Goes Out?
While the pilot light extinguishing on its own isn't immediately hazardous due to the safety mechanism of the thermocouple, it does require caution. If you detect a gas smell near the unit, do not attempt to relight it. Evacuate the area and contact a licensed gas fitter immediately. Gas accumulation in an enclosed space presents a significant risk of explosion and fire.
How Much Does It Cost To Fix A Pilot Light That Won’t Stay Lit?
The cost for most pilot light repairs in Caboolture typically ranges from $150 to $350, depending on the specific issue. Replacing a thermocouple usually falls on the lower end of that spectrum, while replacing the gas valve or control assembly can cost closer to $350 or more. We always provide upfront pricing before commencing any work.
Can I Convert My Gas Hot Water To Electric To Avoid Pilot Light Problems?
Absolutely. Many homeowners in Caboolture are transitioning to heat pump hot water systems to circumvent gas pilot light issues while also reducing their energy costs. We can offer expert advice on the best replacement options available for your home and manage the complete installation process.
Why Does My Pilot Light Only Go Out During Storms?
The primary culprit is wind. If your unit is positioned in an exposed area without an adequate wind guard, storm gusts can directly blow into the burner compartment, extinguishing the flame. We can install a wind shield and assess the unit’s position to minimise this issue.
How Often Should I Service My Gas Hot Water System?
It is advisable to schedule annual servicing for your gas hot water system. A qualified gas fitter will inspect the pilot assembly, thermocouple, burner, gas connections, pressure relief valve, and anode rod. Regular maintenance not only extends the lifespan of your system but also helps identify safety concerns early on.
Don’t Endure Cold Showers Any Longer
A pilot light that frequently goes out can be frustrating, but it can also signal more serious underlying issues. If you find that your pilot light will not stay lit or you are constantly relighting it with each gust of wind, do not hesitate to reach out to us. We will thoroughly check your system, address any problems, and ensure that your gas appliance operates safely and efficiently.
Call 1300 793 962 or contact us today to arrange a comprehensive gas hot water service.
