The Copper Bush Fittings Range (OD x ID) is designed to provide reliable and efficient size transitions in air conditioning, refrigeration, and HVAC systems.
Manufactured to meet and exceed ISO/AS 5149.2 standards, as well as CE and UL certifications. Suitable for use in modern high-pressure systems, including those operating with R-410A refrigerant.
Available sizes:
- CB3814 – 3/8 OD x 1/4 ID
- CB1214 – 1/2 OD x 1/4 ID
- CB1238 – 1/2 OD x 3/8 ID
- CB5838 – 5/8 OD x 3/8 ID
- CB5812 – 5/8 OD x 1/2 ID
- CB3438 – 3/4 OD x 3/8 ID
- CB3412 – 3/4 OD x 1/2 ID
- CB3458 – 3/4 OD x 5/8 ID
Key Features:
- Precision copper bush fittings for pipe size reduction
- Suitable for HVAC, refrigeration, and air conditioning systems
- Manufactured to exceed ISO/AS 5149.2, CE, and UL standards
- Rigorously tested with batch verification and burst testing
- Designed to reduce stress points and improve durability
- Compatible with high-pressure refrigerants including R-410A
- Clearly marked for safe and easy identification
- Provides strong, leak-resistant connections




