Will Izoliacinis kiautas balansiniams valve 4017 M ir 4017 R DN20 (1409512) fit my existing heating system?
Yes, this HERZ unit (SKU 1409512, category: Thermal pipe insulation) 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.







