How much does it cost to fix Ariston error code 114?

Typical repair cost for the Ariston 114 fault is £90-160 including labour.

114 Low

Ariston 114 Fault Code

Q: What does the Ariston 114 fault code mean?

Your boiler has detected a problem with its external temperature sensor, which helps it understand how hard it needs to work based on the weather outside.

The Ariston 114 fault code means: your boiler has detected a problem with its external temperature sensor, which helps it understand how hard it needs to work based on the weather outside.. It appears on 1 Ariston model in our database.

Technical description: All Boilers

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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Ariston models that show the 114 fault code

Click a model for the full fault code list and model-specific repair notes.

Alteas One Repair: £90-160

Source

Ariston 114 fault code information on this page is sourced and cross-checked against the official Ariston service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026