All boilers Low
Your boiler is ignoring its thermostat or timer and is running continuously to provide heating, often because a specific setting has been accidentally enabled.
Technical description: Constant Mode
Typical repair cost: £0-90 (including labour)
DIY fix possible
Locate the heating control dial or button on the boiler interface.Check if the boiler is set to 'Constant' or 'Sun' mode rather than 'Timer' or 'Auto'.Turn the selector back to the clock symbol or scheduled program setting.
Protect yourself from future repair bills
A boiler cover plan would cover faults like All boilers — no call-out fees, no surprises.
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Parts commonly replaced
- External Thermostat
- Control Interface
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