Will Watts 3-Wegemischer 9000/4,0 Ersatzteil Standard (10080053) fit my existing heating system?
Yes, this Watts unit (SKU 10080053, category: Pipe fittings & valves) 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.



