MRCOOL 5th Gen 50ft 1/4" x 3/8" Lineset Applications
- Long-distance residential installations connecting a ground-level condenser to upper-floor rooms.
- Connecting 6K, 9K, or 12K air handlers in detached guesthouses, workshops, or backyard offices.
- Complex routing through attics, basements, or expansive crawlspaces where standard lengths fall short.
- Eco-conscious HVAC upgrades requiring the latest R454B refrigerant standard compliance.
Provides the exact 1/4" liquid and 3/8" suction diameters required for optimal refrigerant flow in low-to-medium BTU configurations.
MRCOOL 5th Gen 50ft 1/4" x 3/8" Lineset Specifications
| SKU | DIY50-1438C-O |
|---|---|
| Length | 50 Feet |
| Liquid Line Size | 1/4 Inch |
| Suction Line Size | 3/8 Inch |
| Compatibility | 5th Gen DIY 6K, 9K, & 12K BTU Indoor Handlers |
| Refrigerant Type | Pre-Charged with R454B |
| Included Cable | DIYPRO™ Communication Cable |
Advanced DIYPRO™ Technology & Protection
A standout feature of this 5th generation package is the inclusion of the DIYPRO™ Cable. This heavily shielded communication wire provides superior mechanical protection against UV rays, extreme temperatures, and pests. By integrating the DIYPRO™ cable, you eliminate the labor-intensive requirement of running traditional electrical conduit between your indoor and outdoor units. This drastically simplifies the installation process, reduces overall project material costs, and provides a clean, professional-looking finished product with maximum long-term durability across the full 50-foot distance.
Why Choose the MRCOOL 5th Gen 50ft DIY Lineset
- True DIY Installation: Patented Quick Connect fittings create an airtight seal without specialized HVAC tools.
- Eco-Friendly & Modern: Pre-charged with R454B, ensuring your system meets the latest environmental and efficiency standards.
- Flexible Positioning: 50 feet of length allows for discreet condenser placement far from main home areas.
- Industrial Grade Insulation: Robust outer protection prevents condensation and energy loss, ensuring peak operational efficiency.
The MRCOOL 5th Gen 50ft DIY Lineset (DIY50-1438C-O) offers the perfect combination of length, safety, and simplicity—delivering professional-grade performance with a true do-it-yourself experience.
