The Altecnic Caleffi Cap & Collar for Filling Loop YU-JQAL304 is designed for safe and reliable filling of sealed central heating systems directly from the cold water mains. Ideal for boiler pressure top-up and routine maintenance, it provides a secure and efficient connection for heating system servicing. A dependable choice for heating engineers and plumbing installations.
The Potterton 5106288 Powermax Pressure Relief Valve is a vital boiler safety component designed to regulate excess pressure in heating systems. Suitable for Powermax boilers, this PRV ensures safe and efficient operation, making it an essential replacement part for UK heating engineers and boiler servicing.
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.