Low
P (ΔP-V) on Alpha C25 Xtraflame

Your boiler is currently set to a specific operational mode that balances water flow and energy use, which is normal behavior rather than a fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Proportional curve (Green LED)

Engineer required

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

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