Atag O-ring three-way valve: original Atag spare part, type: O-ring. Application: Boiler (Q25CR | vanaf 2020 OSS2). Manufacturer number: S4158300; Instalpunt article number: 8131814.
According to the Atag parts lists, this part fits 9 models, including Benraad BR 35S, Atag Q25CR | vanaf 2020 OSS2 and Atag Q25SR | vanaf 2020 OSS1. The full list is under “Fits”.
Delivery time on request: this item is not held in stock. Please ask us for the delivery time before ordering; delivery within the EU then 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.


