MRCOOL DIY Pre-Charged Line Set

Install without vacuuming using pre-charged linesets that connect your MRCOOL DIY system in minutes with zero hassle. Skip the vacuum pump and simplify your install. The MRCOOL DIY Line Set is 100% pre-charged with R-410A refrigerant and built to connect your 4th Gen MRCOOL DIY Condenser to any compatible Air Handler. No vacuuming. No guesswork. Just connect, tighten, and go. Is it compatible with my system? Yes—if you're using any MRCOOL DIY Series: Single Zone, Multi-Zone, or Central Ducted. Just select the correct size based on your air handler BTU (9K, 12K, 18K, 24K, or 36K). For Multi-Zone setups, you’ll need one line set per indoor unit to ensure proper performance. Flexible options for every install Choose from lengths of 16ft, 25ft, 35ft, 50ft, 66ft, and 75ft. Line sets 35ft and up include an extended DIY Pro Cable for fast connection. For extended runs, you can use a coupler to combine two line sets, up to 75ft per zone. Need a bundle? We’ve got that covered. 66ft setup includ