{"product_id":"mrcool-5th-gen-diy-25ft-1-4-x-3-8-lineset-for-diy-6k-9k-12k-indoor-w-diy-pro-cable-r454b-diy25-1438c-o","title":"MRCOOL 5th Gen 35ft 1\/4 x 3\/8 Lineset for DIY 6K, 9K \u0026 12K Indoor w\/ DIY Pro Cable - R454B, DIY35-1438C-O","description":"\u003c!-- CY\/3.C | CLEAN + READABLE PRODUCT DESCRIPTION --\u003e\n\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\u003csection class=\"cy3c-wrap iron-theme\"\u003e\n\u003cdiv class=\"shell\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cp class=\"kicker\"\u003e35-Foot Length • Pre-Charged R-454B • 1\/4\" x 3\/8\" Connections • Includes DIYPRO® Cable\u003c\/p\u003e\n\u003ch2\u003eMRCOOL® 5th Gen DIY® 35ft Quick Connect® Lineset w\/ DIYPRO® Cable DIY35-1438C-O\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe \u003cstrong\u003e5th Generation MRCOOL® DIY® 35ft Quick Connect® Line Set\u003c\/strong\u003e is the critical, 100% pre-charged component engineered for a seamless, tool-free installation of your MRCOOL DIY 6K, 9K, or 12K BTU indoor air handlers. Arriving filled with the latest eco-friendly R-454B refrigerant and bundled with the heavy-duty DIYPRO® communication cable, this 35-foot kit completely eliminates the need for professional vacuuming, flaring, or traditional electrical conduit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stripe\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"content\"\u003e\n\u003c!-- APPLICATIONS --\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eMRCOOL 5th Gen DIY 35ft Line Set Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible exclusively with 5th Generation MRCOOL DIY 6K, 9K, and 12K BTU indoor air handlers.\u003c\/li\u003e\n\u003cli\u003eIdeal for installations requiring extended runs up to 35 feet of distance between the indoor and outdoor units.\u003c\/li\u003e\n\u003cli\u003ePerfect for DIY homeowners seeking to entirely bypass expensive professional HVAC vacuuming, charging, and electrical conduit fees.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"callout\"\u003eNote: This specific line set (1\/4\" x 3\/8\") is sized for 6K, 9K, and 12K BTU units. Ensure your indoor unit matches these capacity requirements before proceeding with your installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SPECIFICATIONS --\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eMRCOOL 5th Gen DIY 35ft Line Set Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eDIY35-1438C-O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries Compatibility\u003c\/th\u003e\n\u003ctd\u003eMRCOOL DIY 5th Generation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacity Compatibility\u003c\/th\u003e\n\u003ctd\u003e6,000 \/ 9,000 \/ 12,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e35 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLiquid Line Size\u003c\/th\u003e\n\u003ctd\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuction Line Size\u003c\/th\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRefrigerant Type\u003c\/th\u003e\n\u003ctd\u003eR-454B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCharge Status\u003c\/th\u003e\n\u003ctd\u003e100% Pre-Charged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection Type\u003c\/th\u003e\n\u003ctd\u003eQuick Connect®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Accessories\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\u003c!-- FEATURES --\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eMRCOOL 5th Gen DIY 35ft Line Set Features \u0026amp; Technology\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Quick Connect® Fittings:\u003c\/strong\u003e Engineered for secure, leak-proof attachment without the need for specialized HVAC tools, brazing, or flaring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIYPRO® Cable Included:\u003c\/strong\u003e Streamlines the electrical connection between the indoor and outdoor units by eliminating the need for conduit, offering superior durability against severe weather and pests.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Pre-Charged:\u003c\/strong\u003e Factory-filled with the exact amount of R-454B refrigerant needed for a 35-foot run, completely eliminating the need for a vacuum pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEco-Friendly R-454B:\u003c\/strong\u003e Utilizes the latest next-generation refrigerant, ensuring compliance with updated environmental standards and offering a significantly lower Global Warming Potential (GWP).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Insulation:\u003c\/strong\u003e Wrapped in premium, UV-resistant insulation to prevent condensation, minimize thermal loss, and protect against harsh outdoor weather conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- SUMMARY --\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eWhy Choose the MRCOOL 5th Gen DIY 35ft Line Set\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures a flawless, professional-grade connection over longer distances without paying contractor fees.\u003c\/li\u003e\n\u003cli\u003eSafely pre-charged to save you hours of installation time and technical frustration.\u003c\/li\u003e\n\u003cli\u003eBuilt with highly durable, weather-resistant materials for long-lasting reliability and efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"callout\"\u003eThe MRCOOL® DIY35-1438C-O Quick Connect® Line Set is the definitive key to a true do-it-yourself HVAC installation, delivering perfectly metered R-454B refrigerant and a secure electrical connection in a foolproof, snap-together design.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"MRCOOL","offers":[{"title":"Default Title","offer_id":53230641250669,"sku":"DIY35-1438C-O","price":502.0,"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_85d7d998-7738-4b4a-985d-4edaf4edf35e.webp?v=1776891732","url":"https:\/\/ironlinetools.com\/products\/mrcool-5th-gen-diy-25ft-1-4-x-3-8-lineset-for-diy-6k-9k-12k-indoor-w-diy-pro-cable-r454b-diy25-1438c-o","provider":"Iron Line Tools","version":"1.0","type":"link"}