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Worcester 30 Cadillac combi boiler won’t fire up and the EA?

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I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
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Mend Vaillant 415 F22

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We have 2 questions about mending 'vaillant 415 f22' in category Heating, Home Heating Systems

How to mend Vaillant 415 F22

Mend f22 error boiler

Open vent vailant 415 F22 error?

Hi. I have vaillant 415 open vent boiler. I do get an error f22. I did tryed to bleed all radiators, cheched p... [Read more]
Mend f22 error boiler

Open vent vailant 415 F22 error?

Hi. I have vaillant 415 open vent boiler. I do get an error f22. I did tryed to bleed all radiators, cheched p... [Read more]
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Vaillant F22 fault?
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How can I fix my Vailant Eco tec plus 438?
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Mend eco tec boiler

how do I rectify the fault as detailed below?
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No hot water, intermittent when air temp drops?
Mend water hot pro

no heating water?
Mend f22 vaillant boiler

How many factors causes f22 fault?
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Vaillant ecotec 831 plus?
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Hot water comes and goes!?
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my vaillant boiler is saying a code com on it ?
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my boiler will no work?
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can i replace my Potterton EP2 2 way programmer with a Center EHE0200361 RF?
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resetting thermostatat?
Mend Heating, Home Heating Systems

Vaillant 630 error f 85?
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Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?

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