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  1. C

    Vaillant combi-compact VCW GB221H Boiler - delay in ignition

    I have a Vaillant combi-compact VCW GB221H Boiler which when ignites everytime seems to make a very loud bang noise (delay in ignition). The appliances is about 8years old. Heating, hot water and pressure is OK. Can anyone please advice/comment. Thanks
  2. C

    Vaillant Combi Compact VCW GB221H Boiler - Delay in Ignition

    I have a Vaillant combi-compact VCW GB221H Boiler which when ignites everytime seems to make a very loud bang noise (delay in ignition). The appliances is about 8years old. Heating, hot water and pressure is OK. Can anyone please advice/comment. Thanks
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