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Its robust construction and standardized mounting make it an essential furnace safety switch for maintaining equipment uptime and protecting the heat exchanger from excessive thermal stress
It features Class B insulation and is designed for continuous duty cycles in demanding outdoor environments
Can this part be used for both the intake and exhaust sides
It is fully compatible with 1/2" to 2" VB-7xxx series and 1/2" to 1-1/4" VB-9xxx series valve bodies
Compatibility depends on your specific model’s wiring configuration
York S1-331-03494-000 Board Kit 319825-402 Its robust construction and standardizedThe 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