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This part is a primary 90+ NTGM furnace transition and is compatible with numerous series including GCK
always verify the 24V secondary voltage from the transformer and ensure all logic harnesses are seated properly to avoid ghost faults in the system's operation
Seamless Integration: Designed specifically for Daikin and McQuay HVAC equipment
Field Serviceable Construction: The brass body features accessible internal parts
Carrier HK02SA445 Pressure Switch 319825-402 This part is a primaryThe Carrier HK02SA445 is a critical OEM high pressure safety switch designed for precise refrigerant circuit monitoring in residential and commercial condensing units. This high pressure switch is factory calibrated with a 660 PSI cutout and a 505 PSI cut in (reset) threshold, ensuring the compressor remains protected against thermal overload and mechanical failure during extreme head pressure conditions. As a genuine Carrier replacement part, it
