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Standard T-4506-204 units are built for vertical mounting
For contractors performing HVAC blower motor service
This terminal assembly is engineered specifically for pneumatic-electric control environments and serves as the direct replacement for 2890-520 and MCS-S legacy models
What should I check before replacing this furnace circuit board
For experienced service technicians working on Lochinvar or A
York S1-024-35977-000 Pressure Switch 322056-301 Standard T-4506-204 units are builtThe York S1 024 35977 000 Pressure Switch is a critical OEM safety component designed for precise draft inducer monitoring within York, Coleman, and Luxaire gas fired furnaces. As a high reliability furnace air pressure switch, this part ensures the combustion blower is generating the necessary static pressure to safely vent flue gases before the ignition sequence begins. Built to exact Johnson Controls specifications, this switch prevents operation