Product Overview
16 ft Line Set 3/8″ + 5/8″ Flare Insulated Copper ✓
The Senville 16 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. |
| 16 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. |
Key Features
16 ft Line Set Extension (3/8″ + 5/8″)
Designed for ductless mini split systems using 3/8″ liquid and 5/8″ suction lines.
Insulated High-Quality Copper
Pre-insulated copper helps protect the line set from condensation and supports efficient installation routing.
Flared Fittings Included
Comes with flared ends for standard flare connections on compatible mini split systems.
Complete Installation Accessories
Includes wiring harness, wall sleeve, line set wrap, drain hose, and neoprene components to help protect lines and improve appearance.
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
- 16 ft insulated copper line set (3/8″ + 5/8″)
- Flared fittings
- 16 ft wiring harness (14-3)
- Wall sleeve
- Line set wrap
- 6 ft drain hose
- Neoprene components
Technical Specifications
| Product Name | 16 ft Insulated Line Set – 3/8″ and 5/8″ |
| SKU | PJX-3-5E |
| UPC | 893088007265 |
| Line Length | 16 ft |
| Liquid Line Size | 3/8″ |
| Suction Line Size | 5/8″ |
| Tubing | Insulated copper |
| Flare Fittings Size | 5/8" & 7/8" |
| Included Wiring Harness | 16 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 |
