Description
The Copeland 066652 Rotalock Adapter (OMB-ACG) is a precision-engineered refrigeration service fitting designed for reliable, leak-free connections on Copeland compressors and compatible refrigeration systems. Featuring a 1-1/4″ x 12 UNF-2B threaded connection, this adapter is built to Copeland’s exacting OEM standards, ensuring a proper fit and long-lasting performance in demanding HVAC/R applications.
Key Features
- OEM Copeland part — engineered for precise fit and compatibility
- 1-1/4″ x 12 UNF-2B thread specification for secure, leak-free connections
- Rotalock design allows easy installation and removal without rotating the refrigerant line
- Part number OMB-ACG for positive identification and cross-referencing
- Durable construction suitable for commercial and industrial refrigeration service
- Compatible with a wide range of Copeland compressor models
Product Specifications
- Brand: Copeland
- SKU: 066652
- Part Number: OMB-ACG
- Thread Size: 1-1/4″
- Thread Type: 12 UNF-2B
- Connection Type: Rotalock Adapter
Applications
- Copeland compressor refrigerant line service connections
- Commercial and industrial refrigeration systems
- HVAC/R maintenance, service, and retrofit applications







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