Medium
10 on Glow-worm Compact (2006-2011)

Your boiler is struggling to accurately read the water pressure in your heating system, which may prevent it from starting up reliably.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Pressure gauge assembly

From this model's manual
Verified against the Glow Worm Compact 2006 2011 installation & service manual, page 43.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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