Description
The US Motors 515301374 is a compact, self-contained condensing unit engineered for commercial refrigeration applications requiring reliable low-, medium-, or high-back-pressure operation. Designed for use with R134a refrigerant, this unit delivers consistent performance across a wide range of evaporator temperatures, making it a versatile choice for display cases, reach-in coolers, and similar refrigerated equipment.
Key Specifications
- SKU: 515301374
- Brand: US Motors
- Refrigerant: R134a
- Motor Horsepower: 1/4 HP
- Voltage / Frequency: 115V / 60 Hz
- Capacity @ 20°F: 840 BTU/h (Low Back Pressure)
- Capacity @ 45°F: 1,985 BTU/h (Medium Back Pressure)
- Capacity @ 45°F: 3,650 BTU/h (High Back Pressure)
- Back Pressure Range: Low / Medium / High
What’s Included
- Condensing unit assembly
- Receiver
- Service valves
- Power cord
Features & Benefits
- Multi-range back pressure capability — suitable for low-, medium-, and high-temperature refrigeration applications
- R134a refrigerant compatibility — environmentally responsible, widely available refrigerant
- Comes complete with receiver, valves, and power cord for simplified installation
- 115V/60Hz single-phase power — compatible with standard commercial electrical supply
- Compact 1/4 HP design ideal for light commercial and specialty refrigeration equipment
- Built to US Motors quality standards for dependable, long-service-life operation
Application
This condensing unit is well suited for light commercial refrigeration systems including reach-in display cases, beverage coolers, floral cases, and other equipment where R134a is the specified refrigerant. Its multi-back-pressure rating provides installation flexibility across a broad range of system designs.







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