Will Zilmet tūris 300l (1-1/4″) (11A0030000) fit my existing heating system?
Yes, this Zilmet unit (SKU 11A0030000, category: Expansion vessels & pressurisation) is manufactured to European EN 12828 hydronic standards. Verify the connection thread or nominal size (e.g. DN15 1/2", DN20 3/4", M30×1.5 or Danfoss RA Click) – our engineering advisor Vytautas lists directly compatible mating components on this page.






