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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
including 48HCDA and 50TCQA series
Common Questions: How do I confirm the rotation of my old blower wheel
OEM Durability: Constructed from industrial-grade materials to withstand the rigors of compressed air systems and constant cycling
Flexible Installation: Features standard 1/4" NPT bottom inlet and can be mounted without hyper-accurate leveling
Trane CNT7737 Control 321894-709 including 48HCDA and 50TCQA seriesThe Trane CNT7737 Control is a critical OEM integrated furnace control (IFC) designed specifically for single stage gas furnaces and air handlers. As the primary logic module for the air handler, this integrated control manages the complex sequence of operation, including ignition timing, blower sequencing, and safety circuit monitoring. Engineered to support constant torque motors and single stage systems, the CNT7737 replaces several legacy part