This 120V to 24V step-down transformer is typically used for powering heating/cooling control systems

or inconsistent manifold pressure readings

and HC-3 equipment footprints

Operating at 1/8 HP with a rated speed of 1125 RPM

When utilizing the 12A49 vent limiter

Carrier 323055-751 Wiring Harness 322057-301 This 120V to 24V step-downThe Carrier 323055 751 Wiring Harness is a critical OEM replacement component designed for precision integration within Carrier, Bryant, and Payne furnace systems. This factory authorized part ensures electrical continuity and signal integrity between the integrated furnace control board and peripheral components like the inducer motor or blower assembly. As a direct OEM furnace wiring harness, it maintains the exact pin configurations and wire gauges