Medium
Fault on Hot Water Sensor on Potterton Performa 28i

Your boiler is struggling to accurately measure the temperature of the water it is heating for your taps, which will likely prevent you from having a consistent supply of hot water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Indicates a fault on the hot water temperature sensor.

From this model's manual
Verified against the Potterton Performa 28i installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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