Blower Operation : the snap switch located on the top of the blower housing activates the blower . The snap switch must firmly touch the cast surface of the stove to work properly. It will take several minutes starting from a cold stove for the heat of a fire to activate the snapswitch. The variable speed knob controls the blower fan speed. The control is located on the right side of the blower housing (if f acing the stove from behind) . Turn the control clockwise to the on “ON” position. Continue to turn the control clockwise to reduce the speed of the blower. To turn the blower “OFF”, turn the control counter - clock wise until the blower motor click s off .