Description
Regal Rexnord Marathon X304 – 115V Single-Phase 1/3 HP Motor
The Regal Rexnord Marathon X304 is a dependable single-phase electric motor engineered for demanding HVAC blower and fan applications. Built to Marathon’s rigorous quality standards, this motor delivers consistent, efficient performance in residential and light commercial heating and cooling systems.
Key Specifications
- Voltage: 115V
- Phase: 1-Phase
- Horsepower: 1/3 HP
- Speed: 1075 RPM
- SKU: X304
- Brand: Regal Rexnord / Marathon
Features & Benefits
- Designed for reliable, long-service-life operation in HVAC blower and air-handler applications
- Single-phase design compatible with standard residential electrical systems
- Low-speed 1075 RPM rating ideal for quiet, efficient airflow delivery
- Manufactured by Regal Rexnord under the trusted Marathon brand — a proven name in electric motor technology
- Drop-in replacement motor suitable for a wide range of OEM blower assemblies
Typical Applications
- Residential and light commercial air handlers
- Furnace blower assemblies
- Fan coil units
- HVAC equipment requiring 115V, 1/3 HP, 1075 RPM single-phase motors







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