York S1-331-03514-000 Control Board Kit 321894-708 this device utilizes high-quality bellows

this device utilizes high-quality bellows and mechanical linkages to modulate branch pressure effectively

Designed to provide consistent magnetic flux generation

When integrating this OEM replacement part

Built with heavy-duty internal components to handle the high-cycle demands of modern furnace blower motor applications

and EPR seating material

York S1-331-03514-000 Control Board Kit 321894-708 this device utilizes high-quality bellowsThe York S1 331 03514 000 Control Board Kit is an essential OEM service part designed for precise management of 24V furnace sequences and system wide communication. As a veteran grade HVAC control board replacement, this kit integrates advanced logic to regulate the ignition sequence, blower motor timing, and critical safety circuits. Engineered for York, Coleman, and Luxaire residential and commercial units, it ensures that your equipment maintains