UL Listed Insert - The electric insert is a UL Listed sub-assembly.
		Staged Heating Control.
		120 volt control transformer with single point electrical connection.
		Galvanized, fully insulated casing.
		Temperature control system.
		Removable lid for service.
		Lifting points.
		Blower interlock.
		Airflow proving switch.
		Coil observation port.
		High temperature limit.
		Motor starter.
		Vibration isolation.
		High efficiency motors.
		Adjustable drive sheaves.
		Horizontal or down discharge.
		Disconnect switch.