Skip to Product Info
    • 25' Install Kit for 9/12/18k with cable for Gen 4 DIY or Easy Pro Systems - 25 Foot Pre-Filled Line Set With Wire and 2 Couplers
    • 25' Install Kit for 9/12/18k with cable for Gen 4 DIY or Easy Pro Systems - 25 Foot Pre-Filled Line Set With Wire and 2 Couplers
    • 25' Install Kit for 9/12/18k with cable for Gen 4 DIY or Easy Pro Systems - 25 Foot Pre-Filled Line Set With Wire and 2 Couplers
    • 25' Install Kit for 9/12/18k with cable for Gen 4 DIY or Easy Pro Systems - 25 Foot Pre-Filled Line Set With Wire and 2 Couplers

    25' Install Kit for 9/12/18k with cable for Gen 4 DIY or Easy Pro Systems - 25 Foot Pre-Filled Line Set With Wire and 2 Couplers

    20% Off
    Sale Price $714.00 Regular Price $892.50

    Out of Stock

    Payment & Security

    Your payment is secure. We don’t store or see your card details.

    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa
    Pairs well with

    MRCOOL Quick Connect 25' Line Set – Pre-Charged with R-410A for DIY Single & Multi-Zone Systems

    Extend Your MRCOOL DIY System with Ease – No HVAC Tools Required

    The MRCOOL Quick Connect 25' Line Set is an essential addition for extending your MRCOOL DIY Single and Multi-Zone systems. Designed for 9K, 12K, and 18K BTU units, this pre-charged, Quick-Connect line set simplifies installation—no cutting, brazing, vacuuming, or refrigerant charging required.

    This complete bundle includes the 75' DIYPro cable and couplers, allowing you to extend your refrigerant lines safely and efficiently while ensuring maximum electrical protection from outdoor elements and potential damage.


    🌟 Key Features & Benefits

    ✔ Pre-Charged with R-410A Refrigerant – No Special Tools Needed

    • No vacuuming, cutting, or brazing—simply connect and go.
    • Factory-sealed, leak-proof design ensures consistent refrigerant flow for peak performance.

    ✔ Quick Connect Fittings for Effortless Installation

    • Designed exclusively for MRCOOL DIY Single & Multi-Zone Split Systems.
    • Leak-proof, tool-free Quick Connect technology ensures a secure fit between the outdoor condenser and indoor air handler.

    ✔ 25-Foot Line Set for Flexible Installation

    • Includes a 1/4" liquid line and 1/2" suction line, extending the reach of your MRCOOL system.
    • Ideal for larger homes, second-story installations, or extended distance setups.

    ✔ UV Protective Insulation Sleeve for Long-Lasting Durability

    • The 3/4" thick insulation sleeve shields the refrigerant lines from UV rays, extreme weather, and wildlife damage.
    • Protects against wear and tear, erosion, and external impacts.

    ✔ Kink-Resistant for a Smooth Installation

    • Engineered for easy bending while maintaining resistance to kinks and twists.

    🔧 Applications – Where Can You Use This Line Set?

    For Multi-Zone Systems: Works with 9K, 12K, and 18K BTU DIY Multi-Zone 4th Gen Systems, allowing you to extend air handler reach.

    For Single-Zone Systems: Extends the 12K & 18K BTU DIY Single-Zone Systems, including models DIY-12HP-115C25 and DIY-18HP-230C25.

    For Extending Existing Line Sets: Compatible with pre-charged line sets of 16', 25', and 35', supporting extensions up to 75 feet total per system.


    📦 What's Included?

    25' Pre-Charged Line Set – Extends your MRCOOL system without requiring a technician.
    Couplers (DIYCOUPLER-1412K75C) – Connects the additional line set seamlessly.
    75' DIYPro Cable – Provides secure and continuous power for indoor and outdoor units.


    🔹 Why Buy from MRCOOL DIY Direct?

    At MRCOOL DIY Direct, we provide authentic MRCOOL products with fast shipping, expert support, and guaranteed compatibility.

    100% Genuine MRCOOL Accessories – Factory-tested and fully compatible.
    Expert Assistance – Our team is ready to help with installation & troubleshooting.
    Fast & Reliable Shipping – Get your order delivered quickly and securely.
    Trusted by Thousands – Homeowners and professionals choose us for their MRCOOL needs.


    🛒 Order Your MRCOOL Quick Connect 25' Line Set Today!

    Extend your MRCOOL DIY Single or Multi-Zone system with this hassle-free, pre-charged line set for a smooth, professional-quality installation.

    📦 Order now from MRCOOL DIY Direct and get fast shipping with expert support!

    Product Specifications
    Oops, no results found~
    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.

    Recently viewed

    Last seen items