Carrier HH18HA506 Limit Switch 321894-709 leading to reduced cooling/heating capacity

leading to reduced cooling/heating capacity and potential compressor overheating

resulting in ignition failure codes

Key Benefits Universal Compatibility: Fits a wide array of Copeland semi-hermetic compressors including M

This high-pressure cutout switch operates with fixed setpoints

Carrier HH18HA506 Limit Switch 321894-709 leading to reduced cooling/heating capacityThe Carrier HH18HA506 Limit Switch serves as a critical safety component in high efficiency gas furnaces and air handlers, designed to interrupt the burner circuit if internal temperatures exceed the predefined safety threshold. This fixed temperature limit control features a manual reset mechanism, a vital requirement for specific furnace categories where a limit trip necessitates a physical inspection to diagnose airflow obstructions or heat