Select a fault code
The boiler failed to ignite.
System pressure has dropped too low.
Ignition attempted but no flame established.
Flame went out during operation.
Fan not running at correct speed.
Gas pressure is too low at the boiler.
Gas valve relay has failed.
No pressure change detected when pump started.
Condensate drain is blocked or frozen.
The boiler has overheated and shut down.
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Prices shown are indicative — actual cost depends on your boiler age and policy type.
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