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The York S1-02435261000 Replacement Part is a crucial component for HVAC systems. This product is a single-pole, normally open (SPNO) switch that closes on a fall in pressure, ensuring the system operates efficiently under varying air pressure conditions. It is designed for use in HVAC systems, specifically in GY9S series condensing downflow/horizontal natural gas furnaces.
This York Replacement Part is engineered to provide reliable performance and durability. It helps maintain the optimal operation of HVAC systems by controlling air pressure effectively. The switch closes when air pressure falls to 1 in-WC, activating connected devices like fans or dampers.
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