Carrier 322055-301 Drain Tube 320788-703 and other standard DDC controllers

and other standard DDC controllers with selectable configuration switches

The cutout for new thermostat installations allows the controller to sit flush against the control box

Precise Head Pressure Regulation: Maintains a 180 PSI set point to ensure reliable liquid line pressure during low outdoor ambient conditions

Key Benefits for the Contractor: Universal Compatibility: Serves as the official direct cross-reference for Nordyne 621931

Carrier 322055-301 Drain Tube 320788-703 and other standard DDC controllersThe Carrier 322055 301 Drain Tube is a critical OEM condensate management component engineered for high efficiency condensing gas furnaces, specifically within the Carrier 58MCB and Bryant 350MAV product lines. This flexible condensate drain hose transitions liquid effluent from the secondary heat exchanger to the internal trap system, ensuring the combustion process remains unobstructed by moisture buildup. Fabricated from high grade, chemical