Atag seal burner bed/upper tray for OSS3/4: original Atag spare part, type: Sealing ring, Burner bed/upper tray. Application: Boiler (Q25S | vanaf 2005 OSS1). Manufacturer number: S4717400; Instalpunt article number: 8138120.
According to the Atag parts lists, this part fits 14 models, including Atag Q25S | vanaf 2005 OSS1, Atag Q42CR | vanaf 2020 OSS3 and Atag Q42C | vanaf 4-2009 OSS3. 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.




