{"product_id":"aervan-25-ft-mini-split-line-set-1-4-3-8-copper","title":"Aervan 25 Ft Mini Split Line Set – 1\/4 in \u0026 3\/8 in O.D. Insulated Copper Pipes, Triple-Layer Insulation, All-Weather to -40°F, for Ductless AC Systems","description":"\u003cp\u003e\u003cstrong\u003eThe right-sized connection for smaller mini split systems.\u003c\/strong\u003e The Aervan 25 Ft Mini Split Line Set combines a 1\/4 in high-pressure line and a 3\/8 in low-pressure line in pure copper, the size most commonly used on compact ductless units.\u003c\/p\u003e\n\u003cp\u003eTriple-layer insulation (polyethylene film, heat-resistant foam and cotton) keeps refrigerant temperatures stable and prevents dripping condensation, and the M1 flame-retardant rating and ASTM-compliant copper give you peace of mind. It stays flexible in weather down to -40 °F.\u003c\/p\u003e\n\u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePure copper\u003c\/strong\u003e – 1\/4 in and 3\/8 in O.D. pipes for efficient heat transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriple-layer insulation\u003c\/strong\u003e – minimizes condensation and energy loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM1 flame-retardant\u003c\/strong\u003e – ASTM-compliant copper.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-weather\u003c\/strong\u003e – resilient down to -40 °F.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to install\u003c\/strong\u003e – cut-and-solder design; 2 protective caps included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal compatibility\u003c\/strong\u003e – fits most split AC and heat pump units using 1\/4 × 3\/8 in lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect for:\u003c\/strong\u003e installing or extending smaller ductless mini split and heat pump systems.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 insulated copper tubes (1\/4 in and 3\/8 in O.D., 25 ft)\u003c\/li\u003e\n  \u003cli\u003e2 protective caps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength\u003c\/th\u003e\n\u003ctd\u003e25 feet\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eHigh-pressure pipe O.D.\u003c\/th\u003e\n\u003ctd\u003e1\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eLow-pressure pipe O.D.\u003c\/th\u003e\n\u003ctd\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eInsulation Material\u003c\/th\u003e\n\u003ctd\u003ePolyethylene film, foam, cotton\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eTensile strength\u003c\/th\u003e\n\u003ctd\u003emin 40\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eNet weight\u003c\/th\u003e\n\u003ctd\u003e5 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eColor\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eRequires soldering\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the air conditioner included?\u003c\/strong\u003e\u003cbr\u003eNo. This listing is for the copper line set only. The AC unit in the photos is for illustration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require soldering?\u003c\/strong\u003e\u003cbr\u003eYes. The connection is made by cutting to length and soldering (brazing).\u003c\/p\u003e","brand":"AERVAN","offers":[{"title":"Default Title","offer_id":54980941939030,"sku":"EP25673","price":115.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1040\/1520\/0598\/files\/ImageChatGPT12oct.2026_15_43_09-2.png?v=1791819834","url":"https:\/\/aervan.com\/products\/aervan-25-ft-mini-split-line-set-1-4-3-8-copper","provider":"Aervan","version":"1.0","type":"link"}