mercury-free mechanical thermostat designed for professional HVAC contractors who require a reliable 24V 1 heat / 1 cool control solution

Industrial Durability: Engineered with high-strength materials to prevent linkage arm failure under constant torque

This hermetic filter drier is compatible with HFC

the assembly includes a right-angle boot on the igniter terminal for tight-clearance furnace and boiler applications

As a technician-grade component

York S1-031-03002-000 Control Board Freon mercury-free mechanical thermostat designed forThe York S1 031 03002 000 Control Board is a critical OEM replacement part designed for field technicians requiring precise CFM selector control within York, Luxaire, and Coleman residential systems. This furnace control board functions as the primary interface for managing airflow delivery, utilizing advanced cubic feet per minute (CFM) logic to regulate blower speeds across various heating and cooling stages. Engineered for seamless integration,