29E High
Your hot water system is getting too hot and has shut down as a safety precaution.
Technical description: D.H/W sensor overheating error
Typical repair cost: £90-180 (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 29E — no call-out fees, no surprises.
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Parts commonly replaced
- Domestic Hot Water (DHW) sensor
- Plate heat exchanger
- Diverter valve
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