Industrial Durability: Rated for up to 400 VAC to handle voltage spikes and demanding commercial electrical loads

Durable Bronze Construction: Designed to withstand steam boiler water treatment chemicals and minimize galvanic corrosion

Designed for high-performance HVAC gas furnaces and package units

2-inch WC switch ensures integrated system reliability by preventing operation during blocked vent conditions or blower failure

replacing the wheel with an OEM LA11XA045 will restore quiet operation

Armstrong Furnace R06428D456 Combustion Air Kit Els PW 17895 Industrial Durability: Rated for upThe 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