E 94 High
Your boiler is struggling to maintain a steady flame because it either isn't receiving enough gas or it is drawing in its own exhaust fumes.
Technical description: Low gas pressure or exhaust recirculation that could be an issue with gas pressure.
Typical repair cost: £120-350 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Protect yourself from future repair bills
A boiler cover plan would cover faults like E 94 — no call-out fees, no surprises.
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Parts commonly replaced
- Gas Valve
- PCB
- Flue Seals
- Gas Meter Regulator
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