Midwest Hearth Fan Speed Control Kit | Fireplace and Stove Blowers | On/Off Variable Speed Controller with Rheostat Knob and Hardware COMPLETE KIT - Includes speed control, knob, and mounting nut. UNIVERSAL FIT - Fits most pre-drilled OEM fireplace rheostat holes. INFINITELY ADJUSTABLE - Fine tune the speed and blower noise level exactly where you want it. TRUE OFF POSITION - Definitive click into OFF. Eliminates noise and power consumption. RoHs COMPLIANT - 115 Volt 3.0 Amps | 6" Lead Wires