Carrier 48HG400397 Harness 320788-704 Featuring a 1/2 inch NPT

Featuring a 1/2 inch NPT connection and a 1

When performing a HVAC control board replacement

Standard HVAC silver solder or Sil-Fos brazing rods are recommended for securing the 7/8" copper line to the steel adapter's stub

a heavy-duty OEM replacement bearing engineered for high-demand HVAC blower assembly applications

A key technical advantage is the integral vent limiting orifice

Carrier 48HG400397 Harness 320788-704 Featuring a 1/2 inch NPTThe Carrier 48HG400397 Harness is a critical OEM replacement wiring assembly designed specifically for Carrier, Bryant, and Payne package units. This IFC IFM harness facilitates the essential communication and power connection between the Indoor Fan Contactor (IFC) and the Indoor Fan Motor (IFM). As a veteran technician knows, maintaining signal integrity between the control board logic and the blower motor is vital for proper HVAC system diagnostics