White cap expansion vessel spare part -5pcs Baxi De Dietrich 7838745

This set of five white caps for expansion vessels is a genuine Baxi spare part. These caps are used to cover the valve or connection point on expansion vessels in heating systems. During boiler maintenance or repair, replacing missing or damaged caps helps prevent dust ingress and maintains system cleanliness. The white color matches standard boiler aesthetics, and the pack of five provides a handy supply for multiple repairs.