the York S1-373-39504-011 Conversion Kit is the industry-standard solution for retrofitting to Generation 2 technology

brittle plastic housings or degraded gaskets

check for a clogged pilot orifice or verify that the inlet pressure does not exceed the maximum rating of the gas control valve

Common Questions What was the original part number for this cartridge

Fasco A163 Motor 340155-7026 the York S1-373-39504-011 Conversion KitThe Fasco A163 Draft Inducer Motor is an OEM quality replacement motor engineered by Regal Rexnord for high static pressure applications in Lennox and Armstrong gas furnaces. This 115V single speed shaded pole motor operates at 3400 RPM, providing the necessary torque to clear combustion gases and ensure proper pressure switch engagement. As a direct drop in for the Lennox 68K21, the A163 includes the necessary fitting and an inlet gasket to simplify