High
Pressure Gauge (below 0.5 bar) on Baxi Promax Combi

Your boiler has stopped working because the water pressure is too low for it to operate safely.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

The boiler will not function. May indicate a leak on the central heating system.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Search the official register →

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