Pilot light on boiler not working

Boiler pilot light not working – How to fix it!

Your boiler’s pilot light must be lit at all times to ensure it can heat and hot water whenever it is needed. Your boiler will not work if the pilot light goes out. If it is working you will be able to see a blue flame.

This also means your central heating system won’t work. We will take a closer look at what to do if a faulty pilot light goes out on your boiler, and how to get professional help.

What do I do if my pilot light goes out?

If your boiler pilot light has gone out, first, locate the instructions to relight your pilot light for your particular model. These instructions will be found in your user manual or inside the boiler panel. You will need to identify the type of pilot light that your boiler has if you are unable to locate any instructions.

There are usually two types:

An automatic ignition system

Usually, you can identify whether yours has one by looking at the safety label on the boiler’s side. This will indicate that it has an automated ignition system. If you don’t see a label, look at the gas control knob. If there are only two settings, off and on, it is an automatic pilot light. Do not attempt to manually light automatic pilot lights.

A manual pilot light

It will have three settings on the gas control knob that will allow you to determine if it is a manual pilot light: off, on, and pilot.

How do I ignite manual pilot lights?

These instructions will be helpful if your boiler has a manual pilot light.

  • Your boiler’s gas control knob should be set to “off”. Wait for all gas fumes to disappear. This can take up to 15 minutes.
  • Reduce the thermostat to the lowest setting.
  • Take off the panel or cover of the boiler.
  • Locate the pilot light. This may require you to use a torch.
  • Set your gas control knob to “pilot”.
  • To release gas from the boiler’s pilot light hole, press the knob.
  • Light a match, and then insert it in the boiler’s pilot hole. This will light the pilot light. Continue to press the knob. Continue pressing the knob down until the flame turns blue.
  • Take out the match.
  • Keep pressing down on the knob until it stops clicking.
  • The pilot will continue to burn if you release the knob.
  • Retry the previous steps if the pilot light does not work.

How do I ignite automatic pilot lights?

These steps will allow you to ignite an automatic pilot light in your boiler.

  • The boiler should be turned off at the electrical switch. This switch may be located on the boiler. You may also need to locate the breaker box before you flip the switch on the off position.
  • Remove the access panel from the boiler.
  • The boiler’s gas control knob should be in the off position.
  • Allow the gas to dissipate. This process can take up to 15 minutes. This can be accelerated by opening the window.
  • Turn the knob on the automatic starter & move it to the on position.
  • The electrical switch or breaker should be turned on. The pilot light should start to turn on when you hear a clicking sound. Our heating engineers can help you determine the cause of the problem if your pilot light doesn’t start to ignite within 30 seconds.

Why does the pilot light keep going out?

The pilot light on a boiler may not turn off if it is not working properly. This could be an indication that the thermocouple has failed or is damaged and needs to be replaced. We can help you with this issue. To determine if there is an explanation, you can do a few things first.

The pilot light could be going out because of a draught or a breeze. Light a candle near your pilot light. A draught may be the cause of your problem if it blows out. Our Gas Safe engineers should repair your boiler, as a draught shouldn’t affect the pilot light.

Professional heating engineers should be contacted immediately if your boiler’s pilot light is not working. This could prove to be dangerous as the boiler could continue to release mains gas into atmosphere, posing a risk of carbon monoxide poisoning. If the pilot light of your boiler turns yellow or orange instead of being blue, this could be a sign that there is a problem in your central heating system and should be addressed immediately.

Get a Gas Safe registered engineer to fix it

There are many reasons why your boiler’s pilot light may not turn on. Although you may not need to call a professional Gas Safe engineer every time the problem occurs, if the pilot light continues to go out despite following the steps, it could be due to a problem in your gas supply, or the boiler itself.

Do I need a new boiler?

You might also consider a new boiler. A new boiler can save you money on costly repairs and callouts. The Energy Saving Trust estimates that replacing an old, inefficient boiler with one of the newer, more efficient boilers could help you save as much as £580 per year. Request a quote for a new A-rated boiler.

Get a Quote in 20 SecondsClick here >