BoilerFaultCodes 51132 Medium Warning
Your boiler has lost communication with the temperature sensor that monitors your hot water cylinder, meaning it may not know when to stop heating your water.
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.
Technical description: Temperature sensor type PTC 1000 used as cylinder temperature sensor (T2).
What causes this fault?
This fault occurs when the electrical connection between the boiler's control board and the hot water cylinder’s temperature sensor is broken or sending an incorrect signal. The most common reason is a failed internal component within the sensor itself or a wire that has become loose or damaged over time.
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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A boiler cover plan would cover faults like 51132 — no call-out fees, no surprises.
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