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    1/4" x 3/8" Flared Line Set for 7k, 9k & 12k BTU Mini Split Systems | Pre-Flared Copper Line Set for MRCOOL, GWIN & Ductless AC Units

    17% Off
    Sale Price $155.25 Regular Price $186.30
    Line Set Lengths: 15 feet
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    High-Quality 1/4" x 3/8" Flared Line Set for 7k–12k BTU Mini Split Systems

    Install or replace your ductless system with confidence using this 1/4" x 3/8" pre-flared copper line set, engineered for 7,000 BTU, 9,000 BTU, and 12,000 BTU mini split air handlers.

    Designed for maximum compatibility and easy installation, this line set features factory-applied flares to eliminate the need for on-site flaring tools. Whether you're working with a MRCOOL DIY system, GWIN unit, or another compatible ductless mini split, this line set ensures a tight, reliable connection every time.

    Universal Compatibility

    This line set is designed to work with:

    • MRCOOL DIY & Advantage Series systems
    • GWIN ductless mini split systems
    • Most 7k, 9k, and 12k BTU mini split air conditioners and heat pumps
    • Any system requiring a 1/4" liquid line and 3/8" suction line

    Key Features

    • Pre-Flared Ends – Ready to install with no special tools required
    • Standard 1/4" x 3/8" Size – Ideal for smaller BTU mini split systems
    • Durable Copper Construction – Built for long-term performance and efficiency
    • Leak-Resistant Design – Precision flares help ensure a secure seal
    • DIY-Friendly – Perfect for homeowners and professional HVAC installers

    Ideal for Residential Applications

    Perfect for cooling and heating:

    • Bedrooms
    • Offices
    • Garages & workshops
    • Additions & small living spaces

    What Does This Line Set Include?

    A complete mini split line set consists of:

    • 1/4" Liquid Line – Supplies refrigerant to the indoor air handler
    • 3/8" Suction Line – Returns refrigerant to the outdoor condenser

    Both lines are pre-flared for fast, reliable installation.

    Why Choose a Pre-Flared Line Set?

    • Saves installation time
    • Eliminates need for flaring tools
    • Reduces risk of improper connections
    • Ensures consistent, professional-grade results

    Perfect For

    • DIY mini split installations
    • MRCOOL system setups and replacements
    • HVAC technicians and contractors
    • Upgrading or replacing existing line sets

    ⚠️ Compatibility Notice

    Always confirm your system specifications before ordering. This line set is intended for systems requiring 1/4" liquid and 3/8" suction lines, commonly used in 7k–12k BTU ductless mini split systems.

    Product Specifications
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    Service & Support

    Manufacturer Warranty

    This product is covered by the manufacturer’s warranty against defects in materials and workmanship when installed and used according to the manufacturer’s guidelines. Warranty terms and coverage periods vary by manufacturer and product type. Please refer to the official product documentation or contact our team if you need help verifying warranty details.

    Technical Support

    Freedom HVAC Supply is staffed by people who actually understand HVAC systems. If you need help confirming compatibility, selecting the correct replacement part, or understanding installation requirements, our team is available to assist before and after your purchase.

    Product Documentation

    Installation manuals, specification sheets, wiring diagrams, and other technical documentation are available whenever possible. These resources help ensure proper installation, system compatibility, and safe operation of your equipment.

    Parts Compatibility & Cross-Reference

    Many HVAC parts replace or supersede older manufacturer part numbers. We provide replacement part numbers and compatible model information on product pages to help technicians and homeowners verify the correct component before ordering.

    Replacement Parts & Accessories

    Freedom HVAC Supply carries genuine replacement components and compatible accessories to keep HVAC systems running reliably. From control boards and motors to sensors, line sets, and installation accessories, we supply the parts professionals depend on.

    Customer Support

    If you have questions about product compatibility, warranty coverage, or installation considerations, our support team is ready to help. Our goal is to make sure you get the right part the first time so your system can get back up and running quickly.

    FAQs About Our HVAC Products

    Quick answers to questions about ordering, compatibility, and installation.

    Ordering & Compatibility

    1. Do you sell HVAC equipment to homeowners and DIY installers?

    Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.

    2. How do I know if this HVAC product is compatible with my system?

    Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.

    3. Can HVAC contractors purchase from Freedom HVAC Supply?

    Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.

    Installation & Support

    1. Do HVAC systems require professional installation?

    Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.

    2. Can you help me choose the right HVAC system or part?

    Yes. Our support team can assist with product selection based on your application, space, and installation needs.

    3. Do you provide installation manuals or documentation?

    Manufacturer installation guides and documentation are included or available upon request for most products.

    Warranty & Shipping

    1. Do HVAC products include a manufacturer warranty?

    Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.

    2. Do you ship HVAC equipment nationwide?

    Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.

    3. What should I know about freight delivery for HVAC equipment?

    Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.

    Need HVAC Help?

    Get help with ordering, compatibility, or installation questions.

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