MRCOOL DIY | DIY 4th Generation | Line Set Coupler Kit | 9k, 12k and 18k line set | 75 ft DIYPro Cable Solar Kits and smart features into a

and smart features into a single

It's an ideal solution for extending the reach between your air handler and condenser

engineered for top-tier reliability and performance

energy-dense

or commercial solar system

MRCOOL DIY | DIY 4th Generation | Line Set Coupler Kit | 9k, 12k and 18k line set | 75 ft DIYPro Cable Solar Kits and smart features into aDIY 4th Generation Line Set Coupler Kit 9k, 12k and 18k line set 75 ft DIYPro Cable Enhance your MRCOOL DIY 4th Generation Energy Star Series heat pump system with the MRCOOL DIYCOUPLER 1412K75C Line Set Coupler Kit, designed specifically for 9k, 12k, and 18k BTU line sets. This kit features 1 4" and 1 2" No Vac couplers that allow you to securely extend your Quick Connect line set without the need for vacuuming or additional tools. The included 75 ft