{"product_id":"mrcool-5th-gen-50ft-1-4-x-1-2-lineset-for-diy-18k-indoor-w-diy-pro-cable-r454b-diy50-1412c-o","title":"MRCOOL 5th Gen 50ft 1\/4 x 1\/2 Lineset for DIY 18K Indoor w\/ DIY Pro Cable - R454B, DIY50-1412C-O","description":"\u003cstyle\u003e\n    .iron-theme{\n      --black:#0b0b0b; --gray:#6b7280;\n      --red:#c1121f; --red2:#e11d2e;\n      --border:#e5e7eb; --soft:#f8fafc;\n      font-family: Arial, Helvetica, sans-serif;\n      color: var(--black);\n      max-width: 1100px;\n      margin: 0 auto;\n      line-height: 1.7;\n    }\n    .shell{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(0,0,0,.08);}\n    .top{padding:24px;}\n    .kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gray);margin:0 0 8px;}\n    h1{margin:0;font-size:30px;font-weight:900;text-transform:uppercase;}\n    .sub{margin:12px 0 0;font-size:15px;max-width:100ch;}\n    .stripe{height:8px;background:linear-gradient(90deg,var(--red) 0%,var(--red) 70%,var(--red2) 100%);}\n    .content{padding:24px;background:var(--soft);}\n    .card{border:1px solid var(--border);border-radius:16px;background:#fff;padding:20px;margin:18px 0;box-shadow:0 8px 22px rgba(0,0,0,.06);}\n    h2{margin:0 0 12px;font-size:19px;font-weight:900;text-transform:uppercase;display:flex;align-items:center;gap:10px;}\n    h2:before{content:\"\";width:10px;height:10px;background:var(--red);border-radius:2px;}\n    ul{margin:0;padding-left:20px;}\n    ul li{margin:8px 0;}\n    table{width:100%;border-collapse:collapse;font-size:14px;}\n    th, td{border:1px solid var(--border);padding:10px;text-align:left;}\n    th{background:#f3f4f6;font-size:12px;text-transform:uppercase;font-weight:900;}\n    .callout{border:1px dashed rgba(193,18,31,.5);background:rgba(193,18,31,.06);border-radius:12px;padding:14px;font-size:14px;margin-top:12px;}\n  \u003c\/style\u003e\n\n\u003csection aria-label=\"MRCOOL 5th Gen 50ft 1\/4 x 1\/2 Lineset for DIY 18K Product Description\" class=\"cy3c-wrap iron-theme\"\u003e\n  \u003cdiv class=\"shell\"\u003e\n    \n    \u003cdiv class=\"top\"\u003e\n      \u003cp class=\"kicker\"\u003ePre-Charged R454B • DIYPRO™ Cable Included • 50-Foot Reach\u003c\/p\u003e\n      \u003ch2\u003eMRCOOL 5th Gen 50ft 1\/4\" x 1\/2\" Lineset for DIY 18K Indoor Units DIY50-1412C-O\u003c\/h2\u003e\n      \u003cp class=\"sub\"\u003eThe \u003cstrong\u003eMRCOOL 5th Gen 50ft Pre-Charged Lineset (DIY50-1412C-O)\u003c\/strong\u003e provides the ultimate extended-reach connection for your 18,000 BTU DIY mini-split system. Engineered specifically for 5th Generation air handlers, this 50-foot span allows for maximum flexibility in unit placement, making it ideal for large-scale residential projects or installations where the condenser must be positioned far from the indoor unit. Factory-sealed and pre-charged with the next-generation, low-GWP R454B refrigerant, this system ensures peak performance while meeting the latest environmental standards. With patented Quick Connect fittings, you can achieve a professional, leak-proof installation without the need for specialized HVAC tools, vacuum pumps, or flaring kits.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"stripe\"\u003e\u003cbr\u003e\u003c\/div\u003e\n    \n    \u003cdiv class=\"content\"\u003e\n      \n      \u003cdiv class=\"card\"\u003e\n        \u003ch2\u003eMRCOOL 5th Gen 50ft 1\/4\" x 1\/2\" Lineset Applications\u003c\/h2\u003e\n        \u003cul\u003e\n          \u003cli\u003eLong-distance residential installs requiring 50 feet of reach for 18,000 BTU systems.\u003c\/li\u003e\n          \u003cli\u003eRouting lines through extensive attic spaces, crawlspaces, or across large building footprints.\u003c\/li\u003e\n          \u003cli\u003ePositioning condensers in discrete locations away from main living areas to minimize noise.\u003c\/li\u003e\n          \u003cli\u003eConnecting 5th Gen DIY air handlers in detached home offices, garages, or multi-story additions.\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cdiv class=\"callout\"\u003eProvides the exact 1\/4\" liquid and 1\/2\" suction diameters required for the refrigerant volume of 18K BTU configurations.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \n      \u003cdiv class=\"card\"\u003e\n        \u003ch2\u003eMRCOOL 5th Gen 50ft 1\/4\" x 1\/2\" Lineset Specifications\u003c\/h2\u003e\n        \u003ctable\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n              \u003cth\u003eSKU\u003c\/th\u003e\n              \u003ctd\u003eDIY50-1412C-O\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eLength\u003c\/th\u003e\n              \u003ctd\u003e50 Feet\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eLiquid Line Size\u003c\/th\u003e\n              \u003ctd\u003e1\/4 Inch\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eSuction Line Size\u003c\/th\u003e\n              \u003ctd\u003e1\/2 Inch\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eCompatibility\u003c\/th\u003e\n              \u003ctd\u003e5th Gen DIY 18K BTU Indoor Handlers\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eRefrigerant Type\u003c\/th\u003e\n              \u003ctd\u003ePre-Charged with R454B\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eIncluded Cable\u003c\/th\u003e\n              \u003ctd\u003eDIYPRO™ Communication Cable\u003c\/td\u003e\n            \u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n      \n      \u003cdiv class=\"card\"\u003e\n        \u003ch2\u003eAdvanced DIYPRO™ Technology \u0026amp; Protection\u003c\/h2\u003e\n        \u003cp style=\"margin-top:0; font-size:15px;\"\u003eThis 50-foot lineset package includes the revolutionary \u003cstrong\u003eDIYPRO™ Cable\u003c\/strong\u003e. This heavily shielded communication wire is built to withstand the rigors of long-distance outdoor exposure, providing superior mechanical protection against UV rays, extreme weather, and yard pests. By utilizing the DIYPRO™ cable, you eliminate the legal and labor-intensive requirement of running traditional electrical conduit between units. This streamlines your 18K mini-split installation, reduces total material costs, and ensures your system maintains flawless communication across the full 50-foot span.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \n      \u003cdiv class=\"card\"\u003e\n        \u003ch2\u003eWhy Choose the MRCOOL 5th Gen 50ft DIY Lineset\u003c\/h2\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eZero Specialized Tools:\u003c\/strong\u003e Patented Quick Connect fittings create an airtight seal with simple hand tools.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eEco-Friendly R454B:\u003c\/strong\u003e Factory-charged with environmentally conscious, low-GWP refrigerant for modern compliance.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eExtreme Reach:\u003c\/strong\u003e 50 feet of length accommodates complex installation layouts and unit separations.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eCost Efficiency:\u003c\/strong\u003e Bypasses expensive professional labor for vacuuming, charging, and electrical conduit work.\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cdiv class=\"callout\"\u003eThe MRCOOL 5th Gen 50ft DIY Lineset (DIY50-1412C-O) delivers the reliability and length needed for demanding 18K BTU installations, providing a professional-grade result with true do-it-yourself simplicity.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e","brand":"MRCOOL","offers":[{"title":"Default Title","offer_id":53230677721453,"sku":"DIY50-1412C-O","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/6996\/6445\/files\/mc-nov-qc-lset-3D-img-1000px-01_a5cbd138-cf78-4dae-b07a-6024f1a7ec6e.webp?v=1776891633","url":"https:\/\/ironlinetools.com\/products\/mrcool-5th-gen-50ft-1-4-x-1-2-lineset-for-diy-18k-indoor-w-diy-pro-cable-r454b-diy50-1412c-o","provider":"Iron Line Tools","version":"1.0","type":"link"}