BA-650015 Filling Loop Cap & Washer ONLY

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.