Low
P.00 on Vaillant ecoFIT Pure 825

Your boiler is currently running a routine 'air-clearing' test sequence, which is a normal process used to remove trapped air from the system.

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

Purge the product check programme.

Engineer required

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

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Related fault codes

P.01View →P.02View →

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