S.61 High
Your boiler has failed a safety check during its start-up sequence because it cannot identify the gas type or verify the flame correctly.
Technical description: Gas family check unsuccessful
Typical repair cost: £150-£450 (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 S.61 — no call-out fees, no surprises.
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Parts commonly replaced
- Gas Valve
- Printed Circuit Board (PCB)
- Ignition Electrode
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