Description
Why Choose the MRCOOL DIY Line Set 16 ft?
The MRCOOL DIY Line Set 16 ft (R-410A) is a pre-charged, quick-connect refrigerant line set designed specifically for MRCOOL DIY 4th Generation mini-split systems. This 16-foot line set is ideal for installations where the indoor and outdoor units are in close proximity — such as a wall-mounted indoor unit with the condenser directly outside on the same wall. The pre-charged design means no refrigerant technician is needed; simply connect the quick-connect fittings and the system is ready to run.
About the MRCOOL DIY Line Set 16 ft (R-410A)
The MRCOOL DIY Line Set features 3/8 x 5/8 inch copper refrigerant lines with closed-cell foam insulation. The 16-foot length is the shortest available line set for MRCOOL DIY systems and is best suited for installations where the indoor and outdoor units are on the same wall with minimal distance between them. Compatible with MRCOOL DIY 4th Generation 18K, 24K, and 36K BTU systems using R-410A refrigerant.
? Technical Specifications
| Specification | Value |
|---|---|
| Brand | MRCOOL |
| SKU | DIY-LS-16 |
| Series | DIY Line Set |
| Length | 16 ft |
| Line Size | 3/8 x 5/8 inch |
| Refrigerant | R-410A (pre-charged) |
| Connection Type | Quick-connect (no tools required) |
| Includes | Refrigerant lines, communication cable, drain line |
| Compatible Systems | MRCOOL DIY 4th Gen 18K, 24K, 36K BTU |
| Weight | 2.5 lbs (1.1 kg) |
? Pro Installation & Usage Tips
- This line set is pre-charged with R-410A — do not cut, bend sharply, or modify the lines.
- The 16 ft length is ideal for same-wall installations with minimal distance between units.
- If you need more length, consider the 25 ft version (DIY-LS-25) or the extension kit.
- Compatible with MRCOOL DIY 4th Gen only — not compatible with 5th Gen R-454B systems.
- Ensure the quick-connect fittings are fully seated before powering on the system.
❓ Frequently Asked Questions
Yes. The MRCOOL DIY Line Set 16 ft comes pre-charged with R-410A refrigerant. No additional refrigerant charging is required.
This line set is compatible with MRCOOL DIY 4th Generation mini-split systems (18K, 24K, and 36K BTU models) using R-410A refrigerant. It is NOT compatible with MRCOOL DIY 5th Generation systems.
No. The pre-charged quick-connect design allows homeowners to install this line set without a refrigerant handling certification.
The MRCOOL DIY Line Set is covered by MRCOOL's standard 5-year parts warranty when registered within 30 days of installation.
? Warranty & Registration
| ? Parts Warranty | 5-year (registered) |
| ⚙ Registration | Register within 30 days of installation |
| ✅ Refrigerant | R-410A (pre-charged, no additional charging required) |
