Carrier 329605-401 Control Box R-22 while the B-port is modified

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

For technicians performing a liquid line drier replacement

Professionals should note the actual dimensions are approximately 21-1/8" x 26" x 4"

Its high-flow design

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

Carrier 329605-401 Control Box R-22 while the B-port is modifiedThe 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