The Vaillant Service Cock 0020010291 is a genuine replacement boiler component designed for compatible Vaillant VUW and ecoTEC Plus boiler models. Manufactured from brass, this service cock is used to control water flow during boiler servicing and maintenance.
Supplied with the required O-rings and screw, this replacement component provides the parts needed for installation in compatible boiler systems.
Boiler Compatibility
The Vaillant 0020010291 Service Cock is listed as suitable for the following boiler ranges:
Vaillant VUW models manufactured between 2005 and 2010
Vaillant VUW models from 2012 onwards
Vaillant ecoTEC Plus 824 to 937 models
Always check your boiler's exact model and appliance identification before ordering to ensure compatibility.