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What Should I Do If My Gas Boiler Pilot Light Keeps Going Out?

If your gas boiler pilot light keeps going out, it can be more than just an inconvenience – it’s often a sign that your heating system needs professional attention. As local, trusted heating engineers at Fuller Heating, we’ve helped countless homeowners get their heating back on track swiftly and safely. In this post, we’ll explore why your pilot light may be going out, what you can check yourself, and when to call in the experts for a full gas boiler servicing.

 

Understanding the Role of the Pilot Light

 

The pilot light is a small ignition flame that enables your boiler to burn gas and produce heat. When it stays lit, it signals the main burner to ignite, providing you with heating and hot water on demand. If this light keeps going out, your boiler won’t fire up properly, leaving you with unreliable heating – or no heating at all.

 

Common Reasons Your Pilot Light Keeps Going Out

 

There are several reasons why this problem might occur. As heating experts in Surrey, we’ve seen all sorts of issues that cause the pilot flame to disappear. Here are the most common ones:

  • Faulty Thermocouple: The thermocouple detects whether the pilot light is lit. If it’s malfunctioning, it may cut off the gas supply prematurely, extinguishing the flame.
  • Gas Supply Issues: If there’s an interruption in your gas supply or low pressure, the pilot light may struggle to stay lit.
  • Dirty or Blocked Components: Dust or soot can clog the pilot assembly, weakening the flame and causing it to go out frequently.
  • Draughts: Unwanted air movement near the boiler can blow out the flame, especially if the boiler is old or installed in a draughty room.
  • Faulty Gas Valve: A faulty gas valve can cause inconsistency in the flow of gas to the pilot light.

 

What You Can Try Before Calling an Engineer

 

While many causes require a professional’s expertise, there are a few things you can safely check yourself:

  • Check for Draughts: If your boiler is located near a vent or window, try to eliminate draughts that may be blowing out the flame.
  • Follow Manufacturer’s Instructions: Consult your boiler’s manual for the correct procedure to relight the pilot light. If you’re unsure, you can view a few of our helpful boiler how-to videos for clear demonstrations.
  • Inspect the Gas Supply: Ensure that your other gas appliances are working properly – if not, you could have a broader supply issue.

If the pilot light still fails to stay lit after these checks, it’s best to stop troubleshooting and get in touch with a professional technician to avoid potential safety risks.

 

When to Arrange Professional Boiler Servicing

 

If the problem persists, this is a clear sign your boiler may need servicing. A qualified Gas Safe engineer can inspect critical components, clean the assembly, test gas pressure, and identify whether any parts – such as the thermocouple or gas valve – require replacement.

At Fuller Heating, we offer thorough boiler servicing and repair throughout Surrey and nearby towns including Woking, Kingston, and Twickenham. Our servicing checks not only keep your heating working efficiently but also help reduce long-term energy costs.

 

The Importance of Regular Boiler Maintenance

 

Preventative maintenance is your best defence against future pilot light problems. Regular servicing helps to keep all parts, including the ignition system, in top working condition. It can also identify early warning signs, preventing a minor issue from turning into a costly breakdown.

Our engineers recommend annual gas boiler maintenance for both homeowners and landlords to ensure compliance with safety standards. By keeping your system well-maintained, you’ll also improve its energy efficiency and reduce carbon emissions – helping both your pocket and the planet.

 

Considering an Upgrade?

 

If your boiler is more than fifteen years old, it might be worth upgrading to a more efficient model rather than repeatedly repairing an unreliable pilot light. We supply and install a range of modern, energy-efficient boiler types from trusted manufacturers, including Worcester Bosch. Modern boilers no longer rely on a permanent pilot flame – instead, they use electronic ignition, making them safer and more efficient.

 

Need Expert Help Today?

 

If your gas boiler pilot light keeps going out, don’t stress – our team at Fuller Heating are here to help. We’ll diagnose the issue quickly and recommend the best solution to get your heating running safely again. Whether it’s a small repair or a full servicing, you’ll receive dependable, friendly service from Gas Safe engineers who take real pride in their work.

Contact us today or book an appointment online to discuss your heating concerns. Click here to get in touch with Fuller Heating for expert gas boiler servicing in your area.