Always refer to the nameplate wiring diagram to ensure correct rotation and phase balance

Key Benefits: Precision Flow Control: The integratedizing disc ensures an equal percentage flow for optimized heat exchanger efficiency

critical for preventing safety lockouts in residential furnaces and water heaters

The assembly typically includes an integrated auxiliary contact

Carrier 330539-754 Box Kit 322838-754 Always refer to the nameplateThe Carrier 330539 754 Box Kit is a critical OEM replacement part designed for high efficiency condensing furnaces and industrial HVAC systems. Engineered to facilitate a leak proof seal between internal components, this coupling box kit is essential for maintaining proper airflow pressure and system integrity. This kit is built with corrosion resistant material to withstand the harsh, moisture rich environments typical of secondary heat exchanger