Armstrong Furnace R06428D456 Combustion Air Kit Els PW 17895 ideal for heat transfer and

ideal for heat transfer and process water systems

It includes a stem for a knob but does not include the external case

If your system exceeds these limits

The 5D51-35 is specifically optimized for applications requiring a 5-inch insertion depth

Armstrong Furnace R06428D456 Combustion Air Kit Els PW 17895 ideal for heat transfer andThe 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