Will ECO BIO RES 25 (ECO-BIO-RES-25) fit my existing heating system?
Yes, this Gilės Inžinerija unit (SKU ECO-BIO-RES-25, category: Boilers & boiler room equipment) 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.







