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Mend Vaillant Vc 221 H Gb

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We have 2 questions about mending 'vaillant vc 221 h gb' in category Heating, Home Heating Systems

How to mend Vaillant Vc 221 H Gb

Mend light stay lit
1

pilot light won't stay lit?

Vaillant VC GB 221 H The pilot light will light as normal when button depressed but will not stay lit when b... [Read more]
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vaillant vc gb 221 h boiler cycling?

My boiler fires up as normal for about 15 seconds then switches off (pilot still on)cuts back in 10-15 mins la... [Read more]
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Vaillant condensing boiler ecoTEC plus?
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Vaillant eco plus 531 boiler?
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vaillant ecoTEC plus boiler fault code - how to fix?
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Vaillant 828E - no hot water?
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how do I rectify the fault as detailed below?
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Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?
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my vaillant boiler is saying a code com on it ?
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can i replace my Potterton EP2 2 way programmer with a Center EHE0200361 RF?
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no heating water?
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Hot water comes and goes!?
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my boiler will no work?
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resetting thermostatat?
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