1 Cv rating for gas vent lines

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

uniform flame pattern

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

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

York S1-331-03494-000 Board Kit 319847-401 1 Cv rating for gasThe 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