High
LOW PRESSURE on Grant Vortex 20-26

The water pressure inside your heating system has dropped too low, so the boiler has turned itself off to prevent any damage.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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 red indicator on the control panel will flash and the boiler pressure cut-out switch will activate if the water pressure falls below 0.2 bar.

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.

Find a Gas Safe engineer
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