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2020 Vaillant Boiler Fault Codes

Welcome to our 2020 Vaillant boiler fault codes page. If you have arrived here because your boiler is broken and are in need of a licensed heating engineer in the London. Please feel free to contact us here or by using the green Click to Call button below.

If you are outside London please click here where you can enter your full postcode to find a gas safe licensed engineer near you.

Below you will find a complete list of the most common Vaillant boilers with their corresponding fault codes. Please do note this is only a guide to assist heating engineers in fault diagnosis, however, homeowners are free to use the information below for their own knowledge.

Under no circumstances, do we promote anyone to carry out any work on any gas or oil-fired appliance unless they are either Gas Safe registered and/or OFTEC registered and suitably competent and qualified to do so. We accept no responsibility for the use of this information.



Vaillant Turbomax 824E / 828E / 837E Combination Boilers Fault Codes

Vaillant Turbomax 615/2 E / 620/2 E / 624/2 E / 628/2 E / 637 E System Boilers Fault Codes

Vaillant ecoTEC Plus 831 / 824 / ecoTEC Pro 28 Combination Boilers Fault Codes

Vaillant ecoTEC Plus 612 / 615 / 618 / 624 / 630 System Boilers Fault Codes

ecoTEC pro    28 GC 28 47-044-30

ecoTEC plus 824 GC 47-044-31

ecoTEC plus 831 GC 47-044-32

ecoTEC plus 612 GC 41-044-44

ecoTEC plus 615 GC 41-044-45

ecoTEC plus 618 GC 41-044-46

ecoTEC plus 624 GC 41-044-47

ecoTEC plus 630 GC 41-044-48

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