Description
The Copeland 998-0034-18 is a heavy-duty Rotalock to sweat (SWT) adapter engineered for reliable performance in commercial and residential HVAC refrigeration systems. Constructed from durable brass, this adapter provides a secure, leak-free transition between a 1-1/4″ Rotalock fitting and a 1/2″ sweat tube connection — simplifying installations, retrofits, and service calls where mixed fitting types are encountered.
Key Features
- Connects 1-1/4″ Rotalock fitting to 1/2″ sweat (SWT) tube
- 1″-14 thread size with 1/2″ stub tube I.D.
- Brass construction for long-lasting durability and corrosion resistance
- Rated for a maximum working pressure of 500 PSI
- Compatible with R-22, R-410A, and R-407C refrigerants
Specifications
- SKU: 998-0034-18
- Inlet Connection: 1-1/4″ Rotalock
- Outlet Connection: 1/2″ SWT (Sweat/Stub Tube)
- Thread Size: 1″-14
- Stub Tube I.D.: 1/2″
- Material: Brass
- Maximum Working Pressure: 500 PSI
- Refrigerant Compatibility: R-22, R-410A, R-407C
Application
Ideal for HVAC and refrigeration technicians who need a dependable, code-quality fitting adapter for compressor service ports, manifold connections, or system retrofits. The robust brass body and high-pressure rating make this adapter a trusted choice for both new installations and field repairs.







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