Overview
The Emerson K55HXKWK-3528 is a single-phase, 1/3 horsepower furnace blower motor designed for residential and light commercial HVAC applications. Operating at 115V, 60Hz, this direct-drive unit provides reliable air circulation in forced-air heating and cooling systems. The robust construction typical of Emerson K55HX series motors ensures consistent performance across a wide range of furnace models.
Key Features
- 1/3 HP motor rated for continuous duty in HVAC systems
- 115V single-phase input, 60Hz frequency
- Direct-drive design eliminates the need for external belts or pulleys
- Compact form factor fits standard furnace enclosures
- Proven Emerson quality for heating and air conditioning equipment
- Drop-in replacement for compatible furnace blower applications
Technical Specifications
- Horsepower: 1/3 HP
- Input Voltage: 115V
- Phase: Single-Phase (1PH)
- Frequency: 60Hz
- Rotation: Clockwise (standard furnace configuration)
- Motor Type: Direct-Drive Blower
- Series: Emerson K55HX
- Operating Speed: ~1075 RPM (typical for 1/3 HP furnace motors)
- Capacitor: Approximate 7.5-10 MFD @ 370VAC (verify with system before installation)
Typical Applications
The K55HXKWK-3528 is commonly used in:
- Forced-air furnace blower assemblies (residential and light commercial)
- HVAC system fan replacement and retrofit
- Heating equipment maintenance and repair
- Air handler blower drives
- Climate control systems requiring continuous, low-vibration operation
Compatibility & Replacements
Compatible With
- Most single-phase 115V furnace systems rated for 1/3 HP blower motors
- Standard furnace blower housings with 48-frame motor mounts
- Emerson and OEM furnace control boards with single-phase power
- HVAC systems using 7.5–10 MFD run capacitors
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or HVAC technician before ordering. The K55HXKWK-3528 is a direct replacement for furnaces originally equipped with this exact model number. Similar models within the K55HXKWK series may also be compatible; consult your equipment documentation or contact our technical support team.
Works With
- Standard 115V, single-phase electrical circuits with proper breaker and wiring gauge
- Run capacitors (typical 7.5–10 MFD @ 370V)
- Furnace thermostats and control boards (24V common)
- HVAC blower relay modules and contactor systems














