{"product_id":"mrcool-diy-5th-gen-pre-charged-lineset-r454b","title":"MRCOOL DIY 5th Gen Pre-Charged Lineset - R454B","description":"\u003cp data-start=\"149\" data-end=\"205\"\u003e\u003cstrong data-start=\"149\" data-end=\"205\"\u003eMRCOOL DIY® Quick Connect® Line Set – 5th Generation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"207\" data-end=\"473\"\u003eThis MRCOOL DIY® Quick Connect® Line Set is designed exclusively for \u003cstrong data-start=\"276\" data-end=\"333\"\u003e5th Generation MRCOOL DIY ductless mini split systems\u003c\/strong\u003e. It connects the outdoor condenser to the indoor air handler and allows homeowners to complete installation without specialized HVAC tools.\u003c\/p\u003e\n\u003cp data-start=\"475\" data-end=\"729\"\u003eEach line set is factory pre-charged with \u003cstrong data-start=\"517\" data-end=\"539\"\u003eR-454B refrigerant\u003c\/strong\u003e and features patented Quick Connect® fittings. When tightened, the valves open automatically to allow refrigerant to flow, eliminating the need for vacuuming, cutting, brazing, or charging.\u003c\/p\u003e\n\u003cp data-start=\"731\" data-end=\"1080\"\u003eThe copper tubing is engineered to resist kinking, but care must be taken during installation. When bending the line set, bends should never exceed \u003cstrong data-start=\"879\" data-end=\"893\"\u003e90 degrees\u003c\/strong\u003e, and all bends should be made \u003cstrong data-start=\"924\" data-end=\"948\"\u003eslowly and gradually\u003c\/strong\u003e. Sharp or rapid bending can damage the copper tubing and insulation, which may lead to restricted refrigerant flow or line failure.\u003c\/p\u003e\n\u003cp data-start=\"1082\" data-end=\"1270\"\u003eThe line set is wrapped in durable, UV-resistant insulation to help protect against sun exposure, weather, and outdoor conditions, supporting long-term reliability and efficient operation.\u003c\/p\u003e\n\u003cp data-start=\"1272\" data-end=\"1466\"\u003eShorter line set lengths do not include a communication wire. When purchasing a complete MRCOOL DIY system with an air handler, the required communication cable is included with the indoor unit.\u003c\/p\u003e\n\u003cp data-start=\"1468\" data-end=\"1809\"\u003eLonger installations are supported through extended configurations. For \u003cstrong data-start=\"1540\" data-end=\"1570\"\u003e66 ft and 75 ft total runs\u003c\/strong\u003e, multiple line sets must be connected using a compatible \u003ca href=\"https:\/\/cool-minisplits.com\/products\/mrcool-diy-coupler-kit\" target=\"_blank\" rel=\"noopener\"\u003eMRCOOL DIY coupler\u003c\/a\u003e. The \u003cstrong data-start=\"1652\" data-end=\"1730\"\u003emaximum allowable combined length per zone is 75 ft and cannot be exceeded\u003c\/strong\u003e. For multi-zone systems, each indoor unit requires its own dedicated line set.\u003c\/p\u003e\n\u003cp data-start=\"1811\" data-end=\"1940\"\u003e\u003cstrong data-start=\"1811\" data-end=\"1830\"\u003eImportant Note:\u003c\/strong\u003e Any tools shown in product photos are for demonstration purposes only and are not included with the line set.\u003c\/p\u003e\n\u003cp data-start=\"1942\" data-end=\"2100\"\u003eThis line set is engineered specifically for 5th Generation MRCOOL DIY systems and is not compatible with earlier generations that use different refrigerants.\u003c\/p\u003e","brand":"MRCOOL","offers":[{"title":"16ft 1\/4 x 3\/8 for 6K Indoor","offer_id":52980911767720,"sku":"DIY16-1438-O","price":227.0,"currency_code":"USD","in_stock":true},{"title":"16ft 1\/4 x 1\/2 for 9K-12K-18K Indoor","offer_id":52980911734952,"sku":"DIY16-1412-O","price":239.0,"currency_code":"USD","in_stock":true},{"title":"16ft 3\/8 x 5\/8 for 24K-36K Indoor","offer_id":52980911800488,"sku":"DIY16-3858-O","price":271.0,"currency_code":"USD","in_stock":true},{"title":"25ft 1\/4 x 3\/8 for 6K Indoor","offer_id":52980911898792,"sku":"DIY25-1438-O","price":264.0,"currency_code":"USD","in_stock":true},{"title":"25ft 1\/4 x 1\/2 for 9K-12K-18K Indoor","offer_id":52980911833256,"sku":"DIY25-1412-O","price":272.0,"currency_code":"USD","in_stock":true},{"title":"25ft 3\/8 x 5\/8 for 24K-36K Indoor","offer_id":52980911931560,"sku":"DIY25-3858-O","price":457.0,"currency_code":"USD","in_stock":true},{"title":"35ft 1\/4 x 3\/8 for 6K Indoor","offer_id":52980912029864,"sku":"DIY35-1438C-O","price":502.0,"currency_code":"USD","in_stock":true},{"title":"35ft 1\/4 x 1\/2 for 9K-12K-18K Indoor","offer_id":52980911997096,"sku":"DIY35-1412C-O","price":510.0,"currency_code":"USD","in_stock":true},{"title":"35ft 3\/8 x 5\/8 for 24K-36K Indoor","offer_id":52980912062632,"sku":"DIY35-3858C-O","price":565.0,"currency_code":"USD","in_stock":true},{"title":"50ft 1\/4 x 3\/8 for 6K Indoor","offer_id":52980912128168,"sku":"DIY50-1438C-O","price":587.0,"currency_code":"USD","in_stock":true},{"title":"50ft 1\/4 x 1\/2 for 9K-12K-18K Indoor","offer_id":52980912095400,"sku":"DIY50-1412C-O","price":599.0,"currency_code":"USD","in_stock":true},{"title":"50ft 3\/8 x 5\/8 for 24K-36K Indoor","offer_id":52980912160936,"sku":"DIY50-3858C-O","price":662.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/8626\/0904\/products\/mrcool-diy-mini-split-pre-charged-line-set-cool-mini-splits-475481.jpg?v=1772878415","url":"https:\/\/frosthubusa.com\/products\/mrcool-diy-5th-gen-pre-charged-lineset-r454b","provider":"FrosthubUSA","version":"1.0","type":"link"}