MRCOOL® DIY® Coupler Kit – Dual Set (3/8" & 5/8") with 75 ft Communication Wire | For 4th & 5th Gen 24K & 36K DIY Systems
Extend the reach of your MRCOOL® DIY® 24K or 36K Mini-Split System with this standard DIY Coupler Kit, designed specifically for 4th and 5th Generation installations. This kit includes both the DIYCOUPLER-38 and DIYCOUPLER-58 for connecting 3/8" and 5/8" line sets, allowing you to securely combine two MRCOOL® Quick Connect® pre-charged line sets.
Also included is 75 feet of communication wire, giving you the flexibility to place your indoor and outdoor units at a greater distance without compromising control or signal strength.
Kit Includes:
DIYCOUPLER-38 – for 3/8" liquid line connections
DIYCOUPLER-58 – for 5/8" suction line connections
75 ft Communication Wire – ensures proper system communication over extended distances
Features:
Compatible with 24K & 36K MRCOOL DIY® 4th & 5th Gen Systems
Allows for secure extension of line sets up to 75 ft total
Uses Quick Connect® fittings for no-vacuum, leak-proof connections
Pre-charged line set compatible – no cutting, brazing, or refrigerant handling required
Ideal for larger installations where extended distance is needed between condenser and air handler
This coupler kit provides a reliable, cost-effective solution for DIYers looking to expand the installation range of their MRCOOL system—without the added cost of the DIYPRO® Cable.
