iO HVAC Controls D-Z1-2412

iO HVAC Controls D-Z1-2412 24 Inch X 12 Inch Rectangular Two-Position Zone One Damper Assembly Features:?- 24 inch X 12 inch rectangular.? - 5 year warranty. Features and Benefits: - Stand-alone control of single room or multiple rooms - Two-position - Auto changeover - Minimum position adjustment - LED status indicato