York S1-031-02985-000 Control Board 321142-301 This modulating valve body provides

This modulating valve body provides an equal percentage flow characteristic

5-inch heavy-duty mechanical float valve designed for high-capacity flow control in demanding commercial

the A70HA-2 opens the main circuit and locks

This kit includes the exact elastomer gaskets and mechanical seals required to restore factory tolerances and prevent leaks during high-temperature cycles

this heavy-gauge metal shield ensures consistent ignition and prevents pilot outage issues common in industrial HVAC environments

York S1-031-02985-000 Control Board 321142-301 This modulating valve body providesThe 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