Will Watts RD/VIR REDUZIER NIPPEL 1/2X3/4 fitting/connector (299D-E-0---O) (10005464) fit my existing heating system?
Yes, this Watts unit (SKU 10005464, 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.



