How much does it cost to fix Ideal error code 2 / P?

Typical repair cost for the Ideal 2 / P fault is £150-250 including labour.

2 / P High

Ideal 2 / P Fault Code

Q: What does the Ideal 2 / P fault code mean?

Your boiler is shutting down because it thinks the water inside is heating up far faster than it should, which often indicates a trapped air bubble or a blockage stopping the water from moving properly.

Also written as 2P — same fault.

The Ideal 2 / P fault code means: your boiler is shutting down because it thinks the water inside is heating up far faster than it should, which often indicates a trapped air bubble or a blockage stopping the water from moving properly.. It appears on 1 Ideal model in our database.

Technical description: Temperature of safety sensor is rising too fast.

Typical repair cost £150-250 (including labour)

Engineer required

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

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Ideal models that show the 2 / P fault code

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

Maximiser SE Repair: £150-250

Source

Ideal 2 / P fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.

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