133 High
Your boiler has tried to light several times but has been unable to produce a flame, meaning your heating and hot water will not work.
Technical description: No flame after 5 ignition attempts
Typical repair cost: £100-350 (including labour)
DIY fix possible
Check if your gas supply is turned on at the meterIf you have a prepay meter, check that you have enough creditTry resetting the boiler by pressing the reset button for a few secondsCheck if other gas appliances in your home, like a hob, are working correctly
Protect yourself from future repair bills
A boiler cover plan would cover faults like 133 — no call-out fees, no surprises.
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Parts commonly replaced
- Ignition Electrode
- Flame Sensing Probe
- Gas Valve
- PCB (Printed Circuit Board)
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