Some boilers won't ignite if the gas or water pressure is too low. Low gas pressure could be a problem with supply in the area and you may need to call out the supplier to check. Alternatively, it may be that the water pressure is too low in a sealed system boiler.
How do you fix a boiler that won't ignite?
If you still can't light your boiler, there could be debris blocking the jet. Boiler pilot light jets are relatively cheap to replace but can also be removed, cleaned and re-installed. Your heating engineer will be able to advise you on the best course of action and replace the jet accordingly.
How do I get my boiler to ignite?
If your boiler has an automatic pilot light, you can ignite it by following these steps:
- Switch off the boiler at its electrical switch. ...
- Take off the boiler's access panel.
- Turn the boiler's gas control knob so it is in the off position.
- Let the gas dissipate. ...
- Turn the knob to its on position.