Hongso BKT GA3650T GA3650TB GA3700T GA3700TA Replacement Fireplace Blower Fan KIT for Desa, FMI, Vanguard, Vexar, Comfort Flame Glow, Rotom Replacment Fireplace Blower Fan KIT Included Replacement Fireplace Blower, Pre-wired harness for easy installation, Rheostat variable speed control, Magnetic thermostat on/off switch + one spare snap thermostat, 3-prong power cord, Velcro mounting strips and noise reduction padding Installation instructions. Blower total Length = 15" Width =4" Height = 3 1/2" Flange Opening = 12.5" Motor Type:replacement blower fan unit Insulation Class H (rated to 392F / 200C) Motor RPM: 3000 Airflow in CFM: 160 Ratings: 120V, 60Hz Power Consumption (watts): 45 Rheostat: Yes Thermostat: YES, activate at 120F / 50C, shutoff at 90F / 32C Certifications: Rheostat, Thermostat, Motor UL Approved Fits Desa Tech, FMI, Vanguard, Vexar, Comfort Flame, Comfort Glow Fireplaces; Cross Reference Parts Numbers: Blower Kit BKT, GA3650T, GA3650TB, GA3700T, GA3700TA. *NOTE: The "Fits" BRAND and MODEL # Listed are Reference ONLY! Make sure you measure the size of your original blowers and compare with the replacements BEFORE you order. Benefits: Helps reduce costly energy bills, Heats large rooms efficiently, Installs quickly and easily, Reasonable price aftermarket parts. A properly installed blower kit will last for years and provide your home with energy saving heat.