F07 – F14 – A07 Emergency
Your boiler has shut down because the exhaust fumes have become dangerously hot, which could indicate a blockage or a heat exchanger problem.
Technical description: High flue gas temperature
Typical repair cost: £150-550 (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 F07 – F14 – A07 — 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
- Heat Exchanger
- Flue Gas NTC Sensor
- Main Heat Exchanger Cleaning Kit
*Affiliate links — we may earn a commission at no extra cost to you.