Knobs are not original Vaillant and do not have fine tuning clicks but are fine for the job at a lower price if you don't need this feature.
Verified purchase: Yes | Condition: New
This is not an original Vaillant part and does not have the fine clicking when adjusting. Fitted to my 15 year old boiler and it does perform its intended function enabling temperature to be adjusted so am satisfied. Not as good quality as an original vaillant part but OK (Its only a knob!). If only one knob is required I would recommend for the price.
Verified purchase: Yes | Condition: New
Correctly fixed it on Vaillant gas boiler.
Verified purchase: Yes | Condition: New
These knobs are genuine Vaillant parts, unused, easily fitted to control board to replace degraded knobs (which have a tendency to snap the centre spindle shaft) The parts arrived very quickly, in original packaging and reasonably priced.
Verified purchase: Yes | Condition: New
The switches were easy to fit and fitted well. Arrived in good time as well.
Verified purchase: Yes | Condition: New
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