For heat pump applications requiring bi-flow filtration

Technicians will find the 1/2" NPT inlet and outlet connections standard for most manifold configurations

Using a multimeter set to the μA (microamp) scale

Standardized Connections: Features 1/2" NPT inlet and outlet with 1/4" quick-connect terminals for fast 24VAC wiring integration

System Efficiency: Maintains evaporator pressure to prevent coil icing and compressor liquid slugging

Trane CNT7737 Control 320788-702 For heat pump applications requiringThe 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