This OEM replacement gasket ensures a combustion-tight seal between the burner plate and the heat exchanger interface

Conversions require a different gas control valve and specific orifices to match the requirements of the venturi and burner system

Precise Humidity Regulation: Features a built-in dehumidistat function for systems equipped with mechanical reheat (units with "D" in the model number)

or visible pitting on the coils

ensuring an exact fit and seamless communication with the integrated electronic control modules

York S1-331-03494-000 Board Kit 319847-401 This OEM replacement gasket ensuresThe York S1 331 03494 000 Board Kit is a field proven 2 stage ECM control board designed for high performance HVAC equipment. This OEM York replacement part provides precise 115 230 VAC management of electronically commutated motors, optimizing airflow for both low and high operation stages. By utilizing advanced onboard algorithms, the Source1 furnace control circuit board adjusts system parameters in real time to maximize efficiency and reduce