Copeland 977-0346-04 Receiver Tank

The 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 for the expansion valve under varying load conditions. For technicians performing a condensing unit repair, this component provides the necessary internal volume to store the system charge during pump-down procedures. Its heavy-duty steel construction ensures long-term refrigeration system reliability when exposed to high-side pressures. When selecting a refrigerant receiver tank, verifying the inlet and outlet connection sizes is critical; this model is optimized for standard HVAC liquid line integration, preventing flash gas from entering the liquid line and optimizing overall subcooling performance.

• Direct Drop-in Replacement: Specifically replaces 577-0346-04 and PR35083-8-22C without necessitating piping re-configurations.
• Optimized System Efficiency: Maintains a steady liquid head, preventing vapor from reaching the TXV during low-load cycles.
• Enhanced Pump-Down Capacity: Sufficient volume to hold the full refrigerant charge during service or maintenance intervals.
• Industrial-Grade Durability: Built to withstand the harsh environments typical of commercial outdoor condensing units.

What is the difference between the 977-0346-04 and the 577-0346-04?
The 977-0346-04 is the contemporary functional replacement for the discontinued 577-0346-04, featuring the same mounting footprint and port orientations.

Does this receiver tank support multi-refrigerant applications?
Yes, as an OEM component, it is compatible with standard synthetic and mineral oils used in systems running R-22, R-134a, R-404A, and R-507.

Is a pressure relief device included with this tank?
Technicians should verify if the existing system requires a separate pressure relief valve (PRV) or if the receiver porting matches the specific safety requirements of the local mechanical code.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.