Designed for high-performance HVAC gas furnaces and package units

It changes electrical contact state according to damper-shaft position

making it a reliable OEM replacement for various brands

including packaged units

Armstrong Furnace R06428D456 Combustion Air Kit Els PW 17895 Designed for high-performance HVAC gasThe Armstrong Furnace R06428D456 Combustion Air Kit is a field installed OEM assembly designed to ensure optimal air intake for condensing gas furnaces. This kit includes a high tolerance differential pressure switch, ensuring precise monitoring of the combustion air blower's performance. Engineered for compatibility with specific Armstrong Air and AirEase high efficiency units, the R06428D456 maintains the necessary static pressure to prevent