Description
The Copeland 047358 XB-1019RZ2B is a refrigeration power assembly engineered for reliable temperature control in low-temperature commercial and industrial refrigeration applications. Designed for use with R502 refrigerant systems, this power assembly features an equalizer-type sensing element with a 1/4″ SAE (flare) connection and a 10-foot capillary tube for flexible installation in a variety of equipment configurations. Capscrews are included for a complete, ready-to-install solution.
Key Features
- Compatible refrigerant: R502
- Connection type: 1/4″ SAE (Flare) Equalizer Type
- Capillary tube length: 10 feet (FT)
- Application temperature range: -50°F to +10°F
- Capscrews included for complete installation
- Designed as a direct power assembly replacement for Copeland refrigeration systems
Application
This power assembly is suited for low-temperature refrigeration systems operating in the -50°F to +10°F range, making it ideal for walk-in freezers, display cases, and other commercial refrigeration equipment utilizing R502 refrigerant. The equalizer-type design ensures accurate sensing and consistent expansion valve performance across varying load conditions.
Installation Notes
- Verify compatibility with existing Copeland expansion valve body before installation
- Ensure proper capillary tube routing to avoid damage during service
- Capscrews included — no additional hardware required for mounting







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