Product Overview
25 ft Line Set 3/8″ + 5/8″ Flare Insulated Copper ✓
The Senville 25 ft Insulated Line Set (3/8″ and 5/8″) is a complete line set extension kit for ductless mini split installations that use 3/8″ liquid and 5/8″ suction connections. It includes insulated copper tubing plus essential accessories to help keep your install professional, clean, and durable.
Compatibility Notice: Compatible with 24,000 BTU, 30,000 BTU, and 36,000 BTU indoor mini-split units.
| Pre-Insulated Copper Tubing Helps protect the line set and supports efficient operation. |
Flared Fittings Included Ready for standard flare connections on compatible systems. |
| 25 ft Wiring Harness Included Includes 14-3 wiring harness to support installation. |
Accessory Kit Included Includes wall sleeve, line set wrap, drain hose, and neoprene components for a tidy install. |
Installation Notes
- Confirm flare sizes match your indoor/outdoor unit connections before installation.
- Route the line set with gentle bends (avoid sharp kinks) and protect exposed sections where needed.
- Follow proper evacuation and leak testing procedures per manufacturer guidelines.
- Use the included wrap/sleeve to help protect lines and improve appearance.
What's Included
- 25 ft insulated copper line set (3/8″ + 5/8″)
- Flared fittings
- 25 ft wiring harness (14-3)
- Wall sleeve
- Line set wrap
- 6 ft drain hose
- Neoprene components
Technical Specifications
| Product Name | 25 ft Insulated Line Set – 3/8″ and 5/8″ |
| SKU | PJX-3-75E |
| UPC | 893088007265 |
| Line Length | 25 ft |
| Liquid Line Size | 3/8″ |
| Suction Line Size | 5/8″ |
| Tubing | Insulated copper |
| Flare Fittings Size | 5/8" & 7/8" |
| Included Wiring Harness | 25 ft (14-3) |
| Included Drain Hose | 6 ft |
| Included Accessories | Wall sleeve, line set wrap, neoprene components |
| Compatible Indoor Unit Sizes | Compatible with 24,000 BTU, 30,000 BTU, and 36,000 BTU indoor mini-split units |
