2967 B High
Your boiler has detected that water is heating up too quickly or unevenly, causing it to shut down for safety to prevent overheating.
Technical description: Flow / heat exchanger temperature sensor differential too great
Typical repair cost: £120-350 (including labour)
DIY fix possible
Check that your system pressure is between 1 and 1.5 bar on the front displayEnsure all radiator valves are fully open to allow water to flowCheck for any visible leaks around the boiler or radiators
Protect yourself from future repair bills
A boiler cover plan would cover faults like 2967 B — 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
- Flow Temperature Sensor
- Heat Exchanger (Flush/Clean)
*Affiliate links — we may earn a commission at no extra cost to you.