E270 High
Your boiler has detected that there is no water moving through the system while it is trying to heat up, causing it to shut down to prevent overheating.
Technical description: Dry fire
Typical repair cost: £100-£350 (including labour)
DIY fix possible
Check the pressure gauge on the front of the boiler is between 1 and 1.5 barTop up the water pressure using the external filling loop if it is too lowEnsure all radiator valves and boiler isolation valves are fully openPress the reset button for five seconds
Protect yourself from future repair bills
A boiler cover plan would cover faults like E270 — no call-out fees, no surprises.
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Parts commonly replaced
- Central heating pump
- Water pressure sensor
- Main heat exchanger
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