Atag cartridge for 3-way valve EK after 03/2020: original Atag spare part, type: Cartridge. Application: Boiler (i28CZ iCon1). Manufacturer number: S4990000; Instalpunt article number: 8135648.
According to the Atag parts lists, this part fits 11 models, including Atag i28CZ iCon1, Atag i28ECZ-TY28E20H iCon1 and Atag i28ECZ-TY28E50H. The full list is under “Fits”.
In stock: order before 14:00 and it ships the same working day; delivery within the EU usually takes 3–5 working days.
Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer. Work on gas-carrying parts must be carried out by a qualified gas engineer.



