MRCOOL MC50-1412 - Installation Kit - 50 Feet (1/4 X 1/2) Lineset For 18K Indoor (50Ft Kit 02)

Long-Run Mini-Split Installation Kit — 50-Foot Line Set for 9K BTU

Handle longer installation distances for 9,000 BTU mini-split systems with this 50-foot 1/4×1/2 inch pre-insulated copper line set kit. Includes the line set, communication wire, and drain hose. The 1/4×1/2 diameter is specifically for 9K BTU systems, and the 50-foot length accommodates complex routing paths in multi-story buildings.

Technical Specifications

Installation & Product Tips

• The 1/4×1/2 diameter is specifically for 9,000 BTU systems — do not use for larger systems
• For runs over 25 feet, check your system's manual for additional refrigerant charge requirements
• Verify the maximum line set length for your specific MRCOOL model
• Protect all outdoor sections with UV-resistant line set cover
• A licensed HVAC technician must braze connections and evacuate the system before charging

Frequently Asked Questions

Warranty Information

All MRCOOL products sold by HVACProSales come with the full MRCOOL manufacturer warranty. Register your product at the MRCOOL registration portal within 30 days of installation to activate full warranty coverage. Residential products typically include a 7-year parts warranty and 5-year compressor warranty when registered. Commercial products carry a 5-year parts warranty.