This is a 3-phase motor and requires a 460V 3-phase power supply and compatible starter or drive

modulating valves

Is the Carrier KH45LE171 bi-flow or uni-directional

and the legacy 321894-708

common in high-cycle commercial HVAC and residential heating applications

Heil Quaker ICP 1192339 Transformer 326058-757 This is a 3-phase motorThe Heil Quaker ICP 1192339 Transformer serves as a critical OEM replacement part for ensuring consistent low voltage power within HVAC control circuits. This 40VA control transformer is designed to step down a 120V primary input to a 24V secondary output, providing the necessary current for thermostats, contactors, and integrated furnace control boards. Engineered for reliability in International Comfort Products (ICP) systems, it is the designated