Description
US Motors EMX4121U1 — 115V R290 Low/Medium Temperature Compressor
The US Motors EMX4121U1 is a purpose-built compressor designed for low and medium temperature refrigeration applications using R290 (propane) refrigerant. Engineered for dependable performance, this unit delivers the efficiency and durability that HVAC and refrigeration professionals demand in demanding commercial and light commercial environments.
Key Features
- Designed for use with R290 (propane) refrigerant — a natural, low-GWP alternative
- Rated voltage: 115V for straightforward integration into standard electrical systems
- Optimized for low and medium temperature refrigeration duty cycles
- Built to US Motors’ stringent quality and reliability standards
- Suitable for a wide range of commercial refrigeration applications
R290 Refrigerant Compatibility
R290 (propane) is a natural hydrocarbon refrigerant with excellent thermodynamic properties and a near-zero global warming potential (GWP). The EMX4121U1 is engineered specifically to operate safely and efficiently with R290, making it an environmentally responsible choice for modern refrigeration systems.
Application
- Low and medium temperature commercial refrigeration systems
- Walk-in coolers and freezers
- Reach-in refrigeration equipment
- Display cases and merchandising units
Why Choose US Motors?
US Motors has a long-standing reputation for producing high-quality motors and compressors trusted by HVAC and refrigeration professionals across North America. The EMX4121U1 continues that tradition with robust construction and reliable operation designed to minimize downtime and maximize system efficiency.







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