Description
The US Motors N173 is a precision-engineered inducer motor designed for residential and light commercial furnace draft induction applications. Delivering dependable performance at 1/25 HP and 3,350 RPM on a standard 115VAC power supply, this motor ensures consistent airflow through the heat exchanger and flue system for safe, efficient combustion.
US Motors is a trusted name in HVAC motor technology, and the N173 reflects that reputation with a design built to handle the demanding thermal and mechanical conditions found in forced-air heating systems. Whether you’re replacing a failed OEM inducer motor or performing a planned maintenance upgrade, the N173 is a reliable solution that restores proper draft induction and system safety.
Key Specifications
- Horsepower: 1/25 HP
- Voltage: 115VAC
- Speed: 3,350 RPM
- Application: Furnace Draft Inducer / Inducer Blower Motor
- Brand: US Motors
- SKU: N173
Features & Benefits
- Engineered for furnace draft induction — ensures proper flue gas evacuation and safe combustion
- High-speed 3,350 RPM operation delivers efficient and consistent airflow
- Standard 115VAC input for straightforward installation in residential and light commercial systems
- Built to US Motors’ quality standards for long service life and reliable operation
- Direct replacement design simplifies installation and reduces downtime
Application
The N173 inducer motor is used in forced-air gas furnaces to power the draft inducer blower assembly. The inducer motor draws combustion gases through the heat exchanger and expels them safely through the flue, a critical function for system efficiency and occupant safety. It is typically the first component to activate during a heating cycle, making its reliability essential to overall system performance.







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