Vaillant diaphragm set MAG19/2XZ-R119-24/2XI-R1GXI-R1: original Vaillant spare part, type: Diaphragm. Application: Water heater (MAG premium 19/2 GXI R1 Open). Manufacturer number: 140354; Instalpunt article number: 8057183.
According to the Vaillant parts lists, this part fits 4 models, including Vaillant MAG premium 19/2 GXI R1 Open, Vaillant MAG premium 19/2 XI R1 Open and Vaillant MAG premium 24/2 GXI R1 Open. The full list is under “Fits”.
Available in approx. 7–10 days: this item is ordered specially for you and shipped as soon as it arrives in our warehouse; 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.




