Will Automatic thermostatic valve Eclipse, double-angle, DN10 (Rp3/8), pre-setting range 10-150 l/h, PN10, nickel-plated, left-hand radiator connection – 3933-01.000 (3933-01.000) fit my existing heating system?
Yes, this IMI Heimeier unit (SKU 3933-01.000, category: Thermostatic heads & 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.






