York S1-331-03494-000 Board Kit 323613-751 Installing a higher limit switch

Installing a higher limit switch can lead to dangerous overheating and potential heat exchanger failure

the 218-936 is the direct replacement for 218-931

offering improved material strength and fitment stability

Operating at 1140 RPM with a versatile 208-230/460V tri-voltage configuration

While primarily designed for R-22

York S1-331-03494-000 Board Kit 323613-751 Installing a higher limit switchThe 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