{"product_id":"mrcool-diy®-5th-gen-16-ft-1-4-x-1-2-pre-charged-quick-connect-line-set-for-18k-indoor-units","title":"MRCOOL DIY® 5th Gen 16 ft. 1\/4\" x 1\/2\" Pre-Charged Quick Connect Line Set (for 18K Indoor Units)","description":"\u003cp data-start=\"223\" data-end=\"622\"\u003eThe MRCOOL DIY® 5th Generation 16 ft. Pre-Charged Line Set is specifically designed for 18,000 BTU indoor air handlers. Featuring 1\/4\" liquid and 1\/2\" suction lines, this line set comes factory pre-charged with eco-friendly R-454B refrigerant and equipped with MRCOOL’s exclusive Quick Connect fittings — eliminating the need for vacuum pumps, gauges, or HVAC licensing.\u003c\/p\u003e\n\u003cp data-start=\"624\" data-end=\"951\"\u003ePerfect for short-run installations where the condenser and air handler are close together, this 16 ft. line set ensures a clean, reliable, and leak-proof connection. Whether part of a single-zone 18K DIY mini split or a compatible multi-zone system, it’s the ideal choice for efficient performance and true DIY installation.\u003c\/p\u003e\n\u003cp data-start=\"953\" data-end=\"974\"\u003e🔧 \u003cstrong data-start=\"956\" data-end=\"972\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"976\" data-end=\"1409\"\u003e\n\u003cli data-start=\"976\" data-end=\"1061\"\u003e\n\u003cp data-start=\"978\" data-end=\"1061\"\u003e\u003cstrong data-start=\"978\" data-end=\"989\"\u003eLength:\u003c\/strong\u003e 16 feet – ideal for tight installations or wall-mounted outdoor units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1062\" data-end=\"1148\"\u003e\n\u003cp data-start=\"1064\" data-end=\"1148\"\u003e\u003cstrong data-start=\"1064\" data-end=\"1079\"\u003eLine Sizes:\u003c\/strong\u003e 1\/4\" liquid x 1\/2\" suction – specifically for 18K BTU indoor units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1149\" data-end=\"1234\"\u003e\n\u003cp data-start=\"1151\" data-end=\"1234\"\u003e\u003cstrong data-start=\"1151\" data-end=\"1190\"\u003ePre-Charged with R-454B Refrigerant\u003c\/strong\u003e – no vacuuming or field charging required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1235\" data-end=\"1325\"\u003e\n\u003cp data-start=\"1237\" data-end=\"1325\"\u003e\u003cstrong data-start=\"1237\" data-end=\"1263\"\u003eQuick Connect Fittings\u003c\/strong\u003e – patented DIY connection system for leak-free installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1326\" data-end=\"1409\"\u003e\n\u003cp data-start=\"1328\" data-end=\"1409\"\u003e\u003cstrong data-start=\"1328\" data-end=\"1350\"\u003eDurable Insulation\u003c\/strong\u003e – UV-resistant white sleeve with insulated copper tubing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1411\" data-end=\"1437\"\u003e\u003cstrong data-start=\"1411\" data-end=\"1435\"\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1439\" data-end=\"1649\"\u003e\n\u003cli data-start=\"1439\" data-end=\"1484\"\u003e\n\u003cp data-start=\"1441\" data-end=\"1484\"\u003eMRCOOL DIY® 5th Gen single-zone 18K units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1485\" data-end=\"1649\"\u003e\n\u003cp data-start=\"1487\" data-end=\"1649\"\u003eMRCOOL Multi-Zone Condensers: Multi2-18K, Multi3-27K, Multi4-36K, Multi5-48K\u003cbr data-start=\"1563\" data-end=\"1566\"\u003e\u003cem data-start=\"1568\" data-end=\"1647\"\u003e(must match line set size to the 18K air handler for multi-zone applications)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1651\" data-end=\"1677\"\u003e✅ \u003cstrong data-start=\"1653\" data-end=\"1675\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1679\" data-end=\"1932\"\u003e\n\u003cli data-start=\"1679\" data-end=\"1749\"\u003e\n\u003cp data-start=\"1681\" data-end=\"1749\"\u003eIdeal when indoor and outdoor units are located in close proximity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1750\" data-end=\"1843\"\u003e\n\u003cp data-start=\"1752\" data-end=\"1843\"\u003eFor longer runs: use multiple pre-charged line sets, with line set couplers and longer Pro Cable (sold separately)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1844\" data-end=\"1932\"\u003e\n\u003cp data-start=\"1846\" data-end=\"1932\"\u003eFollow MRCOOL’s installation guidelines and torque specifications for proper sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1934\" data-end=\"2208\"\u003eMRCOOL DIY Direct is the USA’s most trusted source for MRCOOL systems, parts, and accessories. This 16 ft. pre-charged line set is the go-to choice for compact 18K installations, delivering efficiency, convenience, and professional-grade performance for the DIY installer.\u003c\/p\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"Default Title","offer_id":49175970185443,"sku":"DIY16-1412-O","price":251.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/8752\/3043\/files\/hvac-lineset-for-mrcool-5th-gen-diy-install.jpg?v=1780843007","url":"https:\/\/freedomhvacsupply.com\/products\/mrcool-diy%c2%ae-5th-gen-16-ft-1-4-x-1-2-pre-charged-quick-connect-line-set-for-18k-indoor-units","provider":"Freedom HVAC Supply","version":"1.0","type":"link"}