The York S1-324-36074-316 is a professional-grade

System Protection: Built-in compressor short-cycle protection prevents equipment damage from rapid cycling

as long as the refrigerant is classified as non-corrosive

Veteran techs understand the necessity of using the correct flame sensor wire to prevent premature nuisance trips and system lockouts caused by thermal degradation

preventing a continuous discharge of hot water or steam into the mechanical room

York S1-373-49824-003 Control Board 326010-701 The York S1-324-36074-316 is aAs a seasoned technician, you know that intermittent staging issues on a 2 stage unit often point directly to the main logic controller. The York S1 373 49824 003 Control Board is the definitive OEM replacement circuit board kit for managing 2 stage HVAC systems without a communication bus. This SSE kit (Smart Equipment) is engineered specifically to replace the legacy S1 6150265 and S1 6023973 boards, rectifying common failure points in York,