Vaillant Control Know 0020074963. A genuine Vaillant item, this control knob pack is compatible with ecoTEC VU (condensing), ecoTEC VUI (condensing) and ecoTEC VUW (condensing) boilers. Attached to the boiler's control panel, control knobs allows for manual control of the appliance's functions. 

Vaillant 0020074963 Control Know is suitable for the following appliances:
Vaillant Ecotec Plus 612 - Vu126/3-5 Fan Assisted
Vaillant Ecotec Plus 612 - Vu126/3-5 R1
Vaillant Ecotec Plus 615 - Vu156/3-5 Fan Assisted
Vaillant Ecotec Plus 615 - Vu156/3-5 R1
Vaillant Ecotec Plus 618 - Vu186/3-5 Fan Assisted
Vaillant Ecotec Plus 618 - Vu186/3-5 R1
Vaillant Ecotec Plus 624 - Vu246/3-5 Fan Assisted
Vaillant Ecotec Plus 624 - Vu246/3-5 R1
Vaillant Ecotec Plus 630 - Vu306/3-5 Fan Assisted
Vaillant Ecotec Plus 630 - Vu306/3-5 R1
Vaillant Ecotec Plus 637 - Vu376/3-5 R1
Vaillant Ecotec Plus 824 - Vuw 246/3-5 R1
Vaillant Ecotec Plus 824 - Vuw246/3-5 Fan Assisted
Vaillant Ecotec Plus 831 - Vuw 316/3-5 R1
Vaillant Ecotec Plus 831 - Vuw316/3-5 Fan Assisted
Vaillant Ecotec Plus 837 - Vuw 376/3-5
Vaillant Ecotec Plus 837 - Vuw 376/3-5 R1
Vaillant Ecotec Pro 24 - Vuw 246/3-3 R1
Vaillant Ecotec Pro 28 - Vuw 286/3-3 R1
Vaillant Ecotec Pro28 - Vuw286/3-3 Fan Assisted