The Vaillant control knob pack is compatible with ecoTEC VU, ecoTEC VUI and ecoTEC VUW boilers. Control knobs are attached to the boiler's control panel and allow for manual control of the appliance's functions.
2 large for temperature selection
1 small for on and off
Technical specification
TypeControl KnobManufacturer Model No0020074963Brand NameVaillant