BoilerFaultCodes.com
1074 W High

Your boiler has lost communication with its internal thermometer, meaning it cannot safely monitor the temperature of the water circulating through your radiators.

Technical description: No signal from the flow temperature sensor available – connect the plug to the flow temperature sensor correctly or temperature sensor could need replacing
Typical repair cost: £90-160 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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