FA Emergency
Your boiler is still detecting a flame even after it has been told to shut down, which indicates a potential safety issue with the gas supply inside the unit.
Technical description: Flame detected after gas shut off – the gas valve needs checking – hire a Gas Safe installer.
Typical repair cost: £180-£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 FA — no call-out fees, no surprises.
*Affiliate links — we may earn a commission at no extra cost to you. Prices shown are starting prices.
Parts commonly replaced
- Gas Valve
- Ionisation Leads
- Printed Circuit Board (PCB)
*Affiliate links — we may earn a commission at no extra cost to you.