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We recommend reusing your existing mounting hardware or sourcing high-grade corrosion-resistant fasteners if the originals are degraded
replacing a worn high limit switch is standard procedure to restore reliable HVAC safety switch operation and prevent nuisance shutdowns caused by thermal fatigue in the original component
3 series interfaces
The unit is identical to the S350AB-1C
Contractors rely on the Series 26 for its DPDT contact configuration
Carrier HK61EA001 Control Board 340155-7024 We recommend reusing your existingThe Carrier HK61EA001 Control Board is a specialized OEM replacement integrated furnace control designed for specific gas fired heating units. Engineered for precise HVAC system logic, this board manages the induction motor, igniter sequence, and blower motor timing to ensure optimal efficiency and safety. This Carrier circuit board serves as a direct drop in replacement for legacy CESO110057 01 and CESO110057 02 models, eliminating the need for
