{"product_id":"mrcool®-pre-charged-line-set-for-2nd-gen-systems-r-454b-diy-installation-1","title":"MRCOOL® Pre-Charged Line Set for 2nd Gen Systems (R-454B | DIY Installation)","description":"\u003ch2\u003eMRCOOL® No-Vac® Pre-Charged Line Set – 3\/8\" x 3\/4\" | Compatible with Universal 2nd Gen, Hyper Heat 2nd Gen, VersaPro 2nd Gen \u0026amp; Cased A-Coil (R-454B Refrigerant)\u003c\/h2\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eMRCOOL® Universal 2nd Gen, HyperHeat 2nd Gen\u003c\/strong\u003e or \u003cstrong\u003eVersaPro 2nd Gen\u003c\/strong\u003e central ducted heat pump and cased A-Coil system with the \u003cstrong\u003eMRCOOL® No-Vac® Pre-Charged Line Set\u003c\/strong\u003e. Engineered for \u003cstrong\u003eR-454B refrigerant\u003c\/strong\u003e, this innovative, factory pre-charged line set ensures a seamless, stress-free installation—no vacuuming, no refrigerant charging, and no special tools required.\u003c\/p\u003e\n\u003cp\u003eDesigned to pair perfectly with \u003cstrong\u003eMRCOOL’s 2nd Gen Universal Series Heat Pump\u003c\/strong\u003e and \u003cstrong\u003ePre-Charged Cased A-Coil\u003c\/strong\u003e, this No-Vac line set delivers unmatched efficiency, safety, and convenience for both professional installers and DIY homeowners.\u003c\/p\u003e\n\u003ch2\u003eAvailable Lengths\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e15-Foot Line Set\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e25-Foot Line Set\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e35-Foot Line Set\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e50-Foot Line Set\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNeed a custom length? Use \u003cstrong\u003eMRCOOL® DIY Couplers\u003c\/strong\u003e to safely combine multiple line sets for longer or more specific installation requirements.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with 2nd Gen Systems:\u003c\/strong\u003e Works with \u003cstrong\u003eMRCOOL® Universal 2nd Gen Heat Pumps\u003c\/strong\u003e, \u003cstrong\u003eHyper Heat 2nd Gen\u003c\/strong\u003e, \u003cstrong\u003eVersaPro 2nd Gen\u003c\/strong\u003e, and \u003cstrong\u003ePre-Charged Cased A-Coils\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charged with R-454B Refrigerant:\u003c\/strong\u003e Factory-sealed and ready to install—no need for charging or vacuum pumps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-Vac® Quick Connect Technology:\u003c\/strong\u003e Leak-proof, pre-sealed fittings for a secure, tool-free connection every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in Multiple Lengths:\u003c\/strong\u003e 15', 25', 35', and 50' options provide flexibility for any setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Extendable:\u003c\/strong\u003e Use \u003cstrong\u003eMRCOOL® DIY Couplers\u003c\/strong\u003e to link line sets and achieve custom lengths without compromising performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8\" Liquid Line \u0026amp; 3\/4\" Suction Line:\u003c\/strong\u003e Optimized for superior refrigerant flow and system efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Weather-Resistant Construction:\u003c\/strong\u003e Built with high-quality, corrosion-resistant copper for long-term durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficient \u0026amp; Eco-Friendly:\u003c\/strong\u003e Uses \u003cstrong\u003eR-454B\u003c\/strong\u003e, a low-GWP refrigerant compliant with EPA standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Compatibility Notice\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e⚠ \u003cstrong\u003eFor R-454B Systems Only:\u003c\/strong\u003e Designed exclusively for MRCOOL® R-454B refrigerant-based systems, including Universal 2nd Gen, Hyper Heat 2nd Gen, VersaPro 2nd Gen, and Cased A-Coils.\u003c\/li\u003e\n\u003cli\u003e🚫 \u003cstrong\u003eNot Compatible with R-410A Systems:\u003c\/strong\u003e Do not use with older MRCOOL® models or R-410A-based units. Doing so may cause damage and void your warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose MRCOOL® No-Vac® Line Sets?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✔ 100% Genuine MRCOOL® product – factory pre-charged and quality tested.\u003c\/li\u003e\n\u003cli\u003e✔ Eliminates the need for vacuuming or refrigerant handling.\u003c\/li\u003e\n\u003cli\u003e✔ Perfect for \u003cstrong\u003eDIY installation\u003c\/strong\u003e or professional setup.\u003c\/li\u003e\n\u003cli\u003e✔ Designed, tested, and supported in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuy from the USA’s Most Trusted \u003ca href=\"https:\/\/mrcooldiydirect.com\/pages\/contact\" target=\"_blank\" title=\"Have Questions? Contact the USA's most trusted nationwide dealer, MRCOOL DIY Direct\" rel=\"noopener\"\u003eMRCOOL® Dealer\u003c\/a\u003e\n\u003c\/h2\u003e\n\u003cp\u003eWhen you purchase from \u003cstrong\u003eMRCOOL HVAC Direct\u003c\/strong\u003e, you’re buying from an \u003cstrong\u003eauthorized MRCOOL® dealer\u003c\/strong\u003e—ensuring quality, warranty protection, and expert support.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Genuine MRCOOL Products\u003c\/strong\u003e – No third-party sellers or replicas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert HVAC Support\u003c\/strong\u003e – Get guidance on compatibility, installation, and system pairing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast \u0026amp; Reliable Shipping\u003c\/strong\u003e – Quick processing and nationwide delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompetitive Pricing\u003c\/strong\u003e – Best value on official MRCOOL® accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e🔥 \u003cstrong\u003eUpgrade your HVAC system today\u003c\/strong\u003e with MRCOOL® No-Vac® Pre-Charged Line Sets — the fast, clean, and reliable way to complete your Universal 2nd Gen or VersaPro 2nd Gen installation.\u003c\/p\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"15' Feet","offer_id":49176880054499,"sku":"NV15-3834-O","price":337.0,"currency_code":"USD","in_stock":true},{"title":"25' Feet","offer_id":49176880087267,"sku":"NV25-3834-O","price":444.0,"currency_code":"USD","in_stock":true},{"title":"35' Feet","offer_id":49176880120035,"sku":"NV35-3834-O","price":556.0,"currency_code":"USD","in_stock":true},{"title":"50' Feet","offer_id":49176880152803,"sku":"NV50-3834-O","price":729.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/8752\/3043\/files\/mrcool-15ft-no-vac-pre-charged-line-set-r-454b-central-ducted-hyper-heat-versapro_9ca47670-7d06-495f-b955-f542480a4d63.webp?v=1780844532","url":"https:\/\/freedomhvacsupply.com\/products\/mrcool%c2%ae-pre-charged-line-set-for-2nd-gen-systems-r-454b-diy-installation-1","provider":"Freedom HVAC Supply","version":"1.0","type":"link"}