{"product_id":"mrcool-5th-gen-35ft-1-4-x-1-2-lineset-for-diy-18k-indoor-w-diy-pro-cable-r454b-diy35-1412c-o","title":"MRCOOL 5th Gen 35ft 1\/4 x 1\/2 Lineset for DIY 18K Indoor w\/ DIY Pro Cable - R454B, DIY35-1412C-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 35ft 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 • 35-Foot Reach\u003c\/p\u003e\n      \u003ch2\u003eMRCOOL 5th Gen 35ft 1\/4\" x 1\/2\" Lineset for DIY 18K Indoor Units DIY35-1412C-O\u003c\/h2\u003e\n      \u003cp class=\"sub\"\u003eUpgrade your home comfort system with the \u003cstrong\u003eMRCOOL 5th Gen 35ft Pre-Charged Lineset (DIY35-1412C-O)\u003c\/strong\u003e, the professional choice for connecting 18,000 BTU 5th Generation DIY mini-split air handlers. Designed to bridge the gap between your indoor unit and outdoor condenser, this 35-foot lineset eliminates the technical hurdles of traditional HVAC installs. It arrives factory-sealed and pre-charged with eco-friendly R454B refrigerant, meaning you can achieve a perfect, leak-proof connection without a vacuum pump, flaring tools, or professional charging fees. Combined with patented Quick Connect fittings, this lineset makes a high-performance installation achievable for any DIY enthusiast.\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 35ft 1\/4\" x 1\/2\" Lineset Applications\u003c\/h2\u003e\n        \u003cul\u003e\n          \u003cli\u003eMid-distance residential installations for 18,000 BTU systems requiring a 35-foot span.\u003c\/li\u003e\n          \u003cli\u003eRouting through wall cavities, attic spaces, or around home exteriors to reach second-story rooms.\u003c\/li\u003e\n          \u003cli\u003eIdeal for home offices, master bedrooms, and larger living spaces where the condenser is located several feet away.\u003c\/li\u003e\n          \u003cli\u003eConnecting 5th Generation DIY air handlers in detached workshops or guesthouses.\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cdiv class=\"callout\"\u003eSpecifically sized with 1\/4\" liquid and 1\/2\" suction diameters to ensure the precise refrigerant flow required for 18K BTU configurations.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \n      \u003cdiv class=\"card\"\u003e\n        \u003ch2\u003eMRCOOL 5th Gen 35ft 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\u003eDIY35-1412C-O\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eLength\u003c\/th\u003e\n              \u003ctd\u003e35 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; Ease of Installation\u003c\/h2\u003e\n        \u003cp style=\"margin-top:0; font-size:15px;\"\u003eA key innovation in the 5th generation lineup is the inclusion of the \u003cstrong\u003eDIYPRO™ Cable\u003c\/strong\u003e. This heavily shielded communication wire provides rugged mechanical protection, shielding your system's critical communication links from UV damage, extreme weather, and yard pests. By utilizing the DIYPRO™ cable, you effectively bypass the requirement for running separate electrical conduit between the indoor and outdoor units, which simplifies the physical installation, reduces project material costs, and provides a cleaner, professional-looking finished product.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \n      \u003cdiv class=\"card\"\u003e\n        \u003ch2\u003eWhy Choose the MRCOOL 5th Gen 35ft DIY Lineset\u003c\/h2\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eSimplified DIY Setup:\u003c\/strong\u003e Patented Quick Connect fittings allow you to create an airtight seal using only a wrench.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eEco-Conscious R454B:\u003c\/strong\u003e Arrives pre-charged with low-GWP refrigerant to ensure compliance with modern environmental standards.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eVersatile Length:\u003c\/strong\u003e 35 feet of reach provides the flexibility needed for non-standard or multi-story installation layouts.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eIndustrial Grade Protection:\u003c\/strong\u003e Robust insulation and DIYPRO™ shielding ensure long-term efficiency and reliability in any environment.\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cdiv class=\"callout\"\u003eThe MRCOOL 5th Gen 35ft DIY Lineset (DIY35-1412C-O) offers the perfect combination of length, durability, and simplicity for your 18K BTU system—delivering professional results with a true do-it-yourself experience.\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":53230676345197,"sku":"DIY35-1412C-O","price":510.0,"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_94be0ab0-b409-455d-81d6-a94ca80d0280.webp?v=1776891643","url":"https:\/\/ironlinetools.com\/products\/mrcool-5th-gen-35ft-1-4-x-1-2-lineset-for-diy-18k-indoor-w-diy-pro-cable-r454b-diy35-1412c-o","provider":"Iron Line Tools","version":"1.0","type":"link"}