the Carrier HD44AR276 is an ECM X13 motor and requires a specific high-voltage and low-voltage signal from the control board

Precision Flow Control: Equal percentage flow characteristic ensures linear heat output across a wide range of valve openings

allowing technicians to calibrate safety margins based on specific equipment requirements

ensuring the mechanical balance of the fan assembly remains within factory tolerances

Lochinvar & A.O. Smith 100327187 Inducer Assembly 321702-401 the Carrier HD44AR276 is anThe Lochinvar & A. O. Smith 100327187 Inducer Assembly is a critical OEM replacement draft inducer motor engineered for high efficiency commercial gas water heaters and boilers. Designed to integrate seamlessly with Cyclone BTH models (including BTH 300, BTH 400, and BTH 500), this combustion blower motor facilitates the essential pre purge cycle and maintains the precise negative pressure required for stable ignition. As a veteran grade HVAC