Upgrade your MRCOOL installation with the MRCOOL No-Vac Coupler Set (Model NVCOUPLER-3834), designed specifically for connecting two pre-charged line sets with ease and reliability. This coupler set includes a 3/8" liquid line coupler and a 3/4" suction line coupler, making it the perfect solution for extending your line set length without losing refrigerant integrity. ✅ Perfect Fit for MRCOOL Central Ducted Systems – Works exclusively with Central Ducted HyperHeat and Central Ducted VersaPro™ systems (Gen 1 & Gen 2).✅ Compatible with R-410A and R-454B Refrigerant – Whether you’re installing a legacy R-410A system or the new eco-friendly R-454B refrigerant models, this coupler set ensures secure performance.✅ No Vacuum Pump Required – Engineered with MRCOOL’s patented No-Vac technology, these couplers maintain a factory-sealed, pre-charged connection, eliminating the need for specialized tools.✅ Durable Copper Construction – Built from high-quality copper with a bronze/copper metallic finish for long-lasting strength and corrosion resistance.✅ Quick, Leak-Free Installation – Double male end coupling ensures a tight seal and straightforward setup for DIYers and HVAC professionals. Specifications: Sku: NVCOUPLER-3834 Sizes: 3/8" (liquid line) + 3/4" (suction line) Dimensions: 6"W x 4.5"D x 2"H Weight: 6 lbs Fitting Type: Double male end coupling Color Family: Bronze/Copper Metallic Restricted States: GU, PR, VI Proposition 65 Warning: Yes Why Choose This Coupler Set? When you need to extend your MRCOOL pre-charged line set, the NVCOUPLER-3834 provides the only factory-approved solution for Central Ducted HyperHeat and VersaPro™ systems. With support for both refrigerant generations (R-410A & R-454B), you’re covered for today’s installs and future upgrades. Perfect for: Homeowners expanding HVAC installations Contractors extending line set runs DIY projects requiring flexible line length solutions 👉 Order your MRCOOL 3/8" x 3/4" No-Vac Coupler Set today and get the confidence of a leak-free, factory-sealed extension for your Central Ducted HyperHeat or VersaPro™ system. { "@context": "https://schema.org", "@type": "Product", "name": "MRCOOL 3/8\" x 3/4\" No-Vac Coupler Set – Connect Pre-Charged Line Sets for Central Ducted HyperHeat & VersaPro (Gen 1 & Gen 2, R-410A / R-454B)", "alternateName": "MRCOOL NVCOUPLER-3834 No-Vac Coupler Set", "sku": "NVCOUPLER-3834", "model": "NVCOUPLER-3834", "brand": { "@type": "Brand", "name": "MRCOOL" }, "category": "HVAC Parts > Line Set Couplers", "material": "Copper", "color": "Bronze/Copper Metallic", "size": "3/8 in liquid x 3/4 in suction", "url": "https://mrcooldiydirect.com/products/mrcool-no-vac-coupler-3834", "image": [ "https://mrcooldiydirect.com/path-to-your-image-1.jpg", "https://mrcooldiydirect.com/path-to-your-image-2.jpg" ], "description": "Factory-approved MRCOOL No-Vac Coupler Set (NVCOUPLER-3834) for extending pre-charged line sets. Includes 3/8\" liquid and 3/4\" suction couplers. Designed for Central Ducted HyperHeat and VersaPro systems (Gen 1 & Gen 2). Works with R-410A and R-454B refrigerants. No vacuum pump required; double male end coupling for quick, leak-resistant installation.", "isAccessoryOrSparePartFor": [ { "@type": "Product", "name": "MRCOOL Central Ducted HyperHeat (Gen 1 & Gen 2)" }, { "@type": "Product", "name": "MRCOOL Central Ducted VersaPro (Gen 1 & Gen 2)" } ], "additionalProperty": [ { "@type": "PropertyValue", "name": "Fitting Type", "value": "Double male end coupling" }, { "@type": "PropertyValue", "name": "Refrigerant Compatibility", "value": "R-410A and R-454B" }, { "@type": "PropertyValue", "name": "Dimensions", "value": "6\" W x 4.5\" D x 2\" H" }, { "@type": "PropertyValue", "name": "Restricted States/Territories", "value": "GU, PR, VI" } ], "offers": { "@type": "Offer", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "url": "https://mrcooldiydirect.com/products/mrcool-no-vac-coupler-3834", "seller": { "@type": "Organization", "name": "MRCOOL DIY Direct" } } }
