Description
The Copeland 577-0421-00 is an OEM tank-accumulator assembly engineered to protect Copeland compressors from liquid slugging and refrigerant floodback — two of the most common causes of compressor failure in refrigeration and HVAC systems.
What Is a Suction Line Accumulator?
A tank-accumulator assembly is installed in the suction line between the evaporator and the compressor. It temporarily holds excess liquid refrigerant and oil, allowing only vapor to enter the compressor. This critical safeguard prevents hydraulic lock, extends compressor life, and maintains system efficiency across a wide range of operating conditions.
Key Features
- OEM Copeland replacement part — SKU 577-0421-00
- Designed to prevent liquid refrigerant and oil slugging at the compressor inlet
- Protects compressor valves, pistons, and internal components from liquid damage
- Engineered for precise fit and function with compatible Copeland compressor models
- Durable construction built to withstand the demands of commercial and residential refrigeration applications
- Supports system reliability and reduces costly compressor failures
Application
This accumulator assembly is a direct OEM replacement intended for use with compatible Copeland compressor systems. It is well-suited for refrigeration, air conditioning, and heat pump applications where liquid floodback protection is required. Always verify compatibility with your specific Copeland compressor model before installation.
Why Choose OEM Copeland Parts?
Copeland is a globally recognized leader in compressor technology. Genuine Copeland replacement components are manufactured to exact specifications, ensuring proper fit, reliable performance, and long service life — helping technicians avoid callbacks and keep systems running at peak efficiency.
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