{"product_id":"mrcool-pre-charged-line-set-for-2nd-gen-systems-r-454b-diy-installation-nv50-3834-o","title":"MRCOOL Pre-Charged Line Set for 2nd Gen Systems (R-454B | DIY Installation) – NV50-3834-O","description":"\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\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e \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 \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 \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 \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 \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 \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 \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 \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","brand":"MR COOL","offers":[{"title":"Default Title","offer_id":50832540991783,"sku":"NV50-3834-O","price":712.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/4780\/2407\/files\/lineset.jpg?v=1765854376","url":"https:\/\/hvacdirect.store\/products\/mrcool-pre-charged-line-set-for-2nd-gen-systems-r-454b-diy-installation-nv50-3834-o","provider":"WholesaleHVACDirect","version":"1.0","type":"link"}