E32 High
Your boiler has detected a fault with the sensor that monitors water temperature returning to the unit, meaning it cannot operate safely or accurately.
Technical description: Return thermistor short circuit – check/replace connections/thermistor
Typical repair cost: £90-160 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Protect yourself from future repair bills
A boiler cover plan would cover faults like E32 — no call-out fees, no surprises.
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Parts commonly replaced
- Return thermistor (NTC sensor)
- Wiring harness connector
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