HJ-10 High
Your boiler has lost the ability to accurately measure the water pressure, which prevents it from operating safely to heat your home.
Technical description: Water pressure sensor fault
Typical repair cost: £140-£260 (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 HJ-10 — no call-out fees, no surprises.
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Parts commonly replaced
- Water pressure sensor
- Wiring harness
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