Copeland 977-0346-04 Receiver Tank 321042-401 Common Questions: What causes this

Common Questions: What causes this coil to buzz or hum

Optimized Performance: Specifically rated at 3000 RPM to meet the pressure switch requirements of compatible HVAC systems

preventing liquid slugging and maintaining precise superheat control across varying load conditions

using OEM HVAC parts is highly recommended to ensure the motor remains within its rated FLA (Full Load Amps)

Copeland 977-0346-04 Receiver Tank 321042-401 Common Questions: What causes thisThe Copeland 977 0346 04 Receiver Tank is a high capacity horizontal liquid receiver engineered for commercial refrigeration and HVAC systems. This OEM Copeland replacement part serves as the direct successor to legacy models 577 0346 04 and PR35083 8 22C, ensuring seamless mechanical compatibility during field retrofits. Constructed as a rugged pressure vessel, it is designed to manage refrigerant fluctuations and maintain a consistent liquid seal