Mr Cool 4th Generation DIY 50ft X1/4" & 1/2" Quick Connect Lineset for 9k,12k,18k

Mr Cool 4th Generation DIY 50ft X1/4" & 1/2" Quick Connect Lineset for 9k,12k,18k

The MR COOL 4th Generation DIY 50ft Quick Connect Line Set (1/4" × 1/2") is designed to extend the reach between your outdoor condenser and indoor air handler without cutting, brazing, vacuuming, or hiring special refrigeration tools. It comes pre-charged and uses Quick Connect fittings for a fast, secure installation on compatible 9K, 12K, and 18K MR COOL DIY systems.

Country of Origin: China

Key Features / Specifications

• Length: 50 feet
• Line sizes: 1/4" liquid line and 1/2" suction line
• Quick Connect fittings: screw-on style connections for DIY installation
• Pre-charged line set: factory charged (commonly for DIY 4th Gen systems)
• Compatibility: designed for MR COOL DIY 9K / 12K / 18K single-zone and many multi-zone applications (one line set per indoor head)
• Expandable: can be extended using compatible couplers (where allowed by the system’s maximum line length requirements)

Ideal For:

• DIY mini-split installations where the standard line length won’t reach
• Homeowners and contractors needing a faster install with no vacuum pump / gauges / brazing
• 9K, 12K, and 18K MR COOL DIY setups in garages, shops, additions, and outbuildings
• Multi-zone systems needing a dedicated lineset per indoor unit