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This furnace high limit switch is a direct drop-in for International Comfort Products (ICP) units
Use a multimeter to check for solenoid continuity and verify that the coil is receiving 24V AC from the defrost board or thermostat when the O/B terminal is energized
Optimized for Carrier RTUs: Validated for use in popular models like the 48HCEA071A and 48TC series to maintain factory safety certifications
Durable Construction: High-grade Kanthal element provides superior oxidation resistance for a longer service life in the combustion chamber
York S1-028-10564-700 Blower Pulley Els PW 17895 This furnace high limit switchEnsure precise mechanical drive performance with the York S1 028 10564 700 Blower Pulley. This 1 groove fixed sheave is specifically engineered for high demand HVACR applications, featuring a dedicated 1 inch bore to allow for a secure, interference fit installation on standard blower motor shafts. Constructed from industrial grade cast iron (BK80), it provides the rigidity necessary to maintain proper HVAC belt tension and mitigate energy loss due to