Will Haier HVAC & heat pump automation and mounting accessory white PB-620QB(H) (PB-620QB(H)) fit my existing heating system?
Yes, this Haier unit (SKU PB-620QB(H), category: Boiler room automation & actuators) 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.







