Slant Fin — humidifiers parts & models
Finding your model number: Slant Fin's humidifier line is long discontinued, but its GF-series whole-house units still run on GeneralAire's 1099-20 panel. The model number is on the unit's rating plate inside the furnace room.
Models and the part each takes (6)
GeneralAire 1099-20 Water Panel (Legacy Slant Fin fit) — 6 model(s)
GF-200
GF-210
GF-211
GF-220
GF-240
GF-350