Carrier 329605-401 Control Box R-22 The McDonnell & Miller 750B-C-3

The McDonnell & Miller 750B-C-3 is a robust cast iron liquid level control chamber designed as the modernized

For technicians performing a liquid line drier replacement

Integrated Breakers: Includes factory-installed 60-amp circuit breakers

while the B-port is modified to ensure constant common port flow

allowing for reliable operation across various unregulated DC power leads

Carrier 329605-401 Control Box R-22 The McDonnell & Miller 750B-C-3The Carrier 329605 401 Control Box is a critical OEM replacement component designed for precise electrical integration within Carrier commercial HVAC units and select packaged rooftop units. This control box serves as the central housing for circuit protection and wiring terminations, ensuring structural integrity for internal voltage regulators and relays. It is engineered to meet Carrier OEM specifications for fitment and conductivity, providing a