Will HERZ 3-way thermostatic mixing valve for boiler return temperature protection.Tmax=110°C, AB=61°C DN25, Kvs=11 isolatable (1776613) fit my existing heating system?
Yes, this HERZ unit (SKU 1776613, category: Balancing & control 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.






