Durablow MFB002 FBK-100, FBK-200, FBK-250, BLOT Replacement Fireplace Blower Fan Unit for Lennox, Superior, Hunter, Rotom HB-RB100

About this Item This is a FBK replacement / spare blower used in a wide variety of Lennox and Superior fireplaces that utilize the FBK-100, FBK-200, or FBK-250 fan kits. Power cord is not included. If you're installing the blower for the first time, a FBK blower kit must be used. Included with Purchase Replacement FBK blower only. Difference between FBK100, FBK200, and FBK250. FBK100: Designated wall switch for blower is required (Constant speed) FBK200: Rheostat variable speed control replaces existing wall switch (Variable speed control) FBK250: Wall switch is NOT required. Can be used in setups with or without wall switch. (Variable speed control & thermostat on/off switch)