Vermont Casting Factory Blower Kit. Commercial After Market fan Blower Kit for Vermont Castings Direct Vent Fireplaces. Thermodisc – Automatically turns blower on at 120F and turns blower off at 90F. Mounting Bracket with Foam Dampening Strips. Cord Set with 3-prong Power Cord. Over All Size: 11 1/4″ W x 4 1/4″ Deep x 3 1/2 High. Increase Heating Potential of your gas fireplace insert with this High Airflow Blower Fan. Simple wiring connections makes installation Quick and Easy. Majestic: DVRTSB 36LDVTRN 36BDVRRP 43BDVRRP 36DBDTRN 33LDVRRN 39BDVRRN DBR36RN DVR33. Always measure and check your owners manual for proper fit. RPM: 3000 (1/1400 with load). Commercial Blower has an separate fan kit to cool the fan motor. All aluminum housing, Ball Bearing supported shaft both ends. American Express, and Discover. All written requests should be emailed. Your satisfaction is important to us.