Whether you are addressing a failing indoor fan motor or performing a preventative system upgrade

What is the difference between this and the AG13 series

This specific limit switch operates with an automatic reset circuit

7 µA minimum)

York S1-031-02985-000 Control Board 319825-402 Whether you are addressing aThe York S1 031 02985 000 Control Board is a critical OEM replacement component designed for AHE series one piece air handlers and related residential cooling equipment. This circuit board serves as the primary processing unit, managing blower motor speeds, fan cycling, and multi stage temperature regulation. Engineered for seamless integration with standard ECM motors, it ensures high performance communication between thermostats and system