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Mueller 61220500C HVAC Line Set - 3/8" x 3/4" Tubing, 1/2" Insulation, 50 Ft, Standard Refrigerant Line, Black Finish, Domestic, Copper Reviews

3.9 Rating 129 Reviews
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Premium Mueller Copper Coil - Professional Mini Split Line Set Solution When it comes to refrigeration and air conditioning systems, the Mueller Copper Coil stands out as a top-tier choice for both professionals and DIY enthusiasts. This high-quality mini split line set is crafted from UNS C12200 copper, ensuring exceptional durability and reliability in demanding HVAC environments. Designed to meet ASTM B280 standards, this ac lineset not only guarantees cleanliness but also boasts high resistance to pressure, making it an ideal solution for various cooling applications.  With its flexible design, installation becomes a breeze, allowing you to focus on what matters most—getting the job done right. Why Choose Mueller HVAC Line Set for Your HVAC System?                       Mueller Streamline Co. is a trusted name in the HVAC and plumbing industry, backed by decades of expertise producing insulated copper tubing and refrigerant lines that professional contractors and DIY homeowners rely on daily. By choosing this Duraguard mini-split line set, you're investing in a product that goes beyond standard alternatives — featuring Duraguard UV™ coated elastomeric insulation with a durable polymeric jacket engineered to withstand the toughest solar exposure and weather resistance challenges without requiring additional UV protective coating or wrapping. Unlike basic elastomeric options, this 1/2" insulation maintains thermal integrity across the full 50 ft run — protecting both the 3/8" liquid line and 3/4" suction line connecting your outdoor condenser unit to your indoor evaporator coil. UL Recognized to 700 PSI, compliant with ASTM B280 and ASTM B1003, compatible with R410A and synthetic refrigerants, and made in USA — this line set is purpose-built for

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“The 3/8" x 3/4" black line set is ideal for long HVAC runs, with sufficient insulation and a professional exterior look.”
Helpful Report
Posted 2 years ago
“Black-finished 3/8" x 3/4" line set fits most HVAC setups. The color improves aesthetics while maintaining function.”
Helpful Report
Posted 2 years ago
Benedictus A
Verified Reviewer
“In testing, line set with black insulation and basic specs. Looks better than bright colors, though thicker insulation could enhance performance.”
Helpful Report
Posted 3 years ago
“Net-net, Well-constructed line set with black insulation, perfect for HVAC applications.”
Helpful Report
Posted 3 years ago
“On my setup, standard line set with black insulation. Reliable, looks professional, and suitable for typical long runs.”
Helpful Report
Posted 3 years ago
“Solid value for the price; the black-coated tubing gives installations a cleaner, more professional finish.”
Helpful Report
Posted 3 years ago
Persephone A
Verified Reviewer
“On this job, line set with black finish for long runs. Consistent quality and black color offer a subtle upgrade over standard models.”
Helpful Report
Posted 3 years ago
“Black-finished insulation for extended runs. Main advantage is a professional-looking exterior compared to standard colors.”
Helpful Report
Posted 3 years ago