it minimizes internal air bypass

we recommend a filter replacement cycle every 6 to 12 months to avoid static pressure increases that can strain the fan motor

the S1-2HK16501006 offers a direct OEM fit

Manual Reset Mechanism: Ensures the system is manually inspected after a thermal event to address the root cause of the limit trip

the AFS-245 handles air and combustion by-products without material degradation in temperatures ranging from -40°F to 180°F

York S1-331-02984-000 Board Kit 322056-301 it minimizes internal air bypassThe York S1 331 02984 000 Modulating Control Board Kit is an essential OEM replacement engineered for precise furnace capacity management and high efficiency technical performance. As a veteran technician knows, the S1 33102984000 modulating furnace board acts as the central logic center, regulating burner output and fan speeds to ensure stable environmental conditions. Designed for the York CP9C series and other 600 through 900 series gas furnaces,