D.98 Low
This is a prompt or status message indicating that the boiler requires professional maintenance or has reached a specific service interval that needs an engineer's attention.
Technical description: Telephone a heating engineer
Typical repair cost: £80-160 (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 D.98 — no call-out fees, no surprises.
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Parts commonly replaced
- None - Service required
- Seal kit
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