Atag concentric connector 80/125 mm: original Atag spare part, type: Connector piece, Concentric. Application: Boiler (Q25SC 200N OSS1). Manufacturer number: AA1CA05U; Instalpunt article number: 0650048.
According to the Atag parts lists, this part fits 4 models, including Atag Q25SC 200N OSS1, Atag Q25SC 380N OSS1 and Atag Q38SC 200N OSS1. The full list is under “Fits”.
This item is in stock and usually arrives within 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.




