44E High
Your boiler has detected an unusual temperature difference between the pipes, causing it to shut down to prevent overheating.
Technical description: Different temperature error
Typical repair cost: £120-£350 (including labour)
DIY fix possible
Check that the boiler pressure is between 1.0 and 1.5 barEnsure all radiator valves and isolation valves are fully openBleed your radiators to remove any trapped air pocketsReset the boiler using the control knob or button
Protect yourself from future repair bills
A boiler cover plan would cover faults like 44E — no call-out fees, no surprises.
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Parts commonly replaced
- Circulation Pump
- NTC Temperature Sensors
- Main Heat Exchanger (Cleaning/Descaling)
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