F.24 High
Your boiler has stopped working because the water isn't circulating properly, likely due to a pump issue or trapped air in the system.
Technical description: Pump-related faults – the pump could have failed, it may have over run or there could be an issue with the airlock
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 F.24 — 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
- Circulation pump
- Automatic air vent
- Pump cable
*Affiliate links — we may earn a commission at no extra cost to you.