bbq factory Variable Speed Electric Motor Control for Fireplace Fan / Fireplace Blower Kit Variable Speed Electric Motor Control for fireplace fan / fireplace blower kit Applications: Fans, Blowers, Fireplace Blowers. Technical Details: Volts 120; Frequency (hertz) 60; MAX Consumption (watts) 300; Rheostat, UL Approved. Stainless steel wall switch panel, panel size: 4.5" * 2 3/4";