This line set is a complete pre-insulated copper refrigerant lineset for ductless mini split installations. Featuring a 3/8" liquid line paired with a 5/8" suction line, both wrapped in 3/8" insulation, this 25 ft set provides Brazed connections for a permanent, professional installation. Built to ASTM standards and engineered to work seamlessly with Daikin Entra, Oterra, Aurora, Atmosphera, and multi-zone systems.
| Line Set Dimensions | |
|---|---|
| Liquid Line OD | 3/8" |
| Suction Line OD | 5/8" |
| Insulation Thickness | 3/8" |
| General Information | |
| Brand | Daikin |
| Product Family | Brazed Line Set |
| Unit Type | Refrigerant Line Set |
| Product Class | Mini Split Accessory |
| Application | Ductless Mini Split (Single-Zone & Multi-Zone) |
| Vendor | Daikin Comfort Tech |
| Connection Type | Brazed |
| Color | Black |
| Material & Construction | |
| Tubing Material | Refrigeration-Grade Copper |
| Insulation Material | Closed-Cell Elastomeric (Black) |
| Pre-Insulated | Yes |
| Pre-Charged | No (field-charged) |
| Standards & Certifications | |
| ASTM B280 | Yes — Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service |
| ASTM E243 | Yes — Standard Practice for Electromagnetic (Eddy-Current) Examination of Copper |
| ASTM E84 | Yes — Standard Test Method for Surface Burning Characteristics of Building Materials |