Armstrong Furnace R06428D456 Combustion Air Kit 30067439-890 heat-resistant ignition assembly designed for

heat-resistant ignition assembly designed for a long service life in high-cycle applications

such as a "stuck open" pressure switch

this assembly ensures the operational integrity of the LWCO by housing the internal mechanism that responds to water level fluctuations

Precise Modulating Control: Supports 0-10 Vdc actuator and 4-20mA control signals for stable

If your voltmeter shows 24V entering the switch but 0V leaving while the inducer is at full speed

Armstrong Furnace R06428D456 Combustion Air Kit 30067439-890 heat-resistant ignition assembly designed forThe 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