Vitodens 100-W High
Your boiler has stopped being able to light or maintain a flame, meaning you will likely have no heating or hot water until it is reset or repaired.
Technical description: Burner in fault mode
Typical repair cost: £120-350 (including labour)
DIY fix possible
Check if your gas supply is active (check other gas appliances or credit)Clean the condensate trap if it is blocked or frozenPress the 'Reset' button or turn the control dial to 'Reset' and back to clear the fault
Protect yourself from future repair bills
A boiler cover plan would cover faults like Vitodens 100-W — no call-out fees, no surprises.
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Parts commonly replaced
- Ignition electrode
- Flame sensing electrode
- Gas valve
- Ignition lead
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