Expansion element for pressureless hot water boiler has feed tube with outlet(s), movably mounted and/or flexible dividing wall and/or sliding element before, in or round feed or outlet tube

摘要

The expansion element has a feed tube (1) with one or more outlet openings (1a), a movably mounted and/or flexible dividing wall (3) and/or a sliding element before, in or around the feed (1) or outlet tube (2). The feed and outlet tubes, the dividing wall and sliding element form an arrangement with optionally implemented control edges, openings, slots and notches.