1017 W High
Your boiler has stopped working because the water pressure is too low and needs to be topped up.
Technical description: Water pressure too low – the water needs topping up and the vent system or pressure sensor may need replacing
Typical repair cost: £0-180 (including labour)
DIY fix possible
Locate the integrated filling link (blue levers) or the external filling loop underneath the boilerSlowly open the valves until you hear water moving and watch the digital display or pressure gaugeClose the valves firmly once the pressure reaches between 1.0 and 1.5 bar
Protect yourself from future repair bills
A boiler cover plan would cover faults like 1017 W — no call-out fees, no surprises.
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Parts commonly replaced
- Pressure sensor
- Auto air vent
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