Mark flue gas fan motor impeller GSNE 66/104: original Mark spare part, type: Flue gas fan, GSNE66/104. Application: Warm air heating (GNSD 56). Manufacturer number: 3103277; Instalpunt article number: 8881056.
According to the Mark parts lists, this part fits 7 models, including Mark GNSD 56, Mark GNSD 60 and Mark GNSD 65. 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.




