DIY 4th Generation DIYCOUPLER-14 + DIYCOUPLER-12 + 75ft MC-5 Cable

The MrCool DIY Line Set Coupler Kit for 9k 12k & 18k Line Set is an easy to use coupling fitting to extend the length of the MrCool DIY Quick Connect line set used for MrCool DIY ductless mini splits that have a 9k, 12k, or 18k air handler. It works by connecting together different lines of any length. Now anyone can put their DIY mini-split exactly where they want, inside or out, regardless of the distance between the air handler and the condenser. The couplers are designed specifically for use with the MrCool DIY Quick Connect line set, easy to work with, and built to last.

But why use the MrCool DIY Line Set Coupler Kit for 9k 12k & 18k Line Set? Wouldn’t it be easier to rely only on the standard 25 foot DIY line and just make compromises when it comes to installation location?

To get the best performance from your MrCool DIY and the best air comfort in your home, a good installation site is key. You want to place the air handler high on the wall, and the condenser in a location where it can be free of obstructions and protected from the elements. If you need to use a MrCool DIY Line Set Coupler Kit for 9k 12k & 18k Line Set to get those conditions, then we highly recommend this kit.

This coupler kit is only compatible with the MrCool DIY Quick Connect line set used for MrCool DIY ductless mini splits that have a 9k, 12k, or 18k air handler. It is not intended for use with other MrCool products or other HVAC products. Properly installed, the MrCool DIY Line Set Coupler Kit for 9k 12k & 18k Line Set will allow you to have the ideal installation for your new MrCool DIY.

The MrCool DIY Line Set Coupler Kit for 9k 12k & 18k Line Set is available in two basic packages. These are selectable from the dropdown menu above. The first kit includes one liquid coupler, one suction coupler, and over 50 feet of communicating wire for connecting up to 2 line sets. The second kit includes two liquid couplers, two suction couplers, and over 75 feet of communicating wire for connecting up to 3 line sets. Pick the kit that best suits your installation requirements.