Description
The Copeland 061948 XB-1019SZ2B is a precision-engineered power assembly designed for reliable temperature control in commercial refrigeration applications. Engineered for use with R404A refrigerant, this power assembly delivers consistent performance across a demanding application temperature range of -50°F to +10°F, making it well-suited for medium- and low-temperature refrigeration systems including reach-in coolers, walk-in freezers, and display cases.
Key Features
- Compatible refrigerant: R404A
- 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 straightforward installation
- Designed as a direct-fit power assembly replacement
Application
This Copeland power assembly is ideal for HVAC/R technicians and refrigeration contractors performing service or replacement on thermostatic expansion valve (TXV) systems operating on R404A refrigerant. The equalizer-type connection ensures accurate superheat sensing and stable system operation, while the 10-foot capillary tube provides ample reach for flexible bulb placement in a variety of cabinet and coil configurations.
Installation
Capscrews are included with this power assembly, simplifying the replacement process and reducing the need for additional hardware. Always follow Copeland’s installation guidelines and ensure system refrigerant charge and superheat settings are verified after installation.







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