How much does it cost to fix Grant error code BOILER OVERHEAT STAT TRIPPED?

Typical repair cost for the Grant BOILER OVERHEAT STAT TRIPPED fault is £150-350 including labour.

BOILER OVERHEAT STAT TRIPPED High

Grant BOILER OVERHEAT STAT TRIPPED Fault Code

Q: What does the Grant BOILER OVERHEAT STAT TRIPPED fault code mean?

Your boiler has automatically shut down to prevent damage because it has become too hot to operate safely.

Also written as BOILEROVERHEATSTATTRIPPED — same fault.

The Grant BOILER OVERHEAT STAT TRIPPED fault code means: your boiler has automatically shut down to prevent damage because it has become too hot to operate safely.. It appears on 1 Grant model in our database.

Technical description: The boiler overheat thermostat has activated. Check if the system is full of water, vented, the pump is operational, or if there is a restriction to water flow.

Typical repair cost £150-350 (including labour)

Engineer required

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

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →

Grant models that show the BOILER OVERHEAT STAT TRIPPED fault code

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

Spira Repair: £150-350

Source

Grant BOILER OVERHEAT STAT TRIPPED fault code information on this page is sourced and cross-checked against the official Grant service / installation manuals for each affected model.

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