Daikin-McQuay 4000844 Sensor 321894-708 System Protection: Actively prevents rapid

System Protection: Actively prevents rapid cycling of the compressor

Industrial Build Quality: Features a resilient aluminum body and a 208/240V coil designed for continuous duty cycles

contractors ensure responsive switching and robust protection against circuit overloads

the bi-metal disc or contacts have likely failed

intermittent clicking without combustion

Daikin-McQuay 4000844 Sensor 321894-708 System Protection: Actively prevents rapidThe Daikin McQuay 4000844 Sensor is a critical infrared sensor for control boards, engineered to facilitate precise communication between the remote interface and the HVAC control board. This genuine OEM replacement part is essential for maintaining high sensitivity signal reception in forced air systems and mini split units. Designed for absolute HVAC part compatibility, the 4000844 enables the main processor to execute temperature adjustments and