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    • MRCOOL 5th Gen Pre-Charged Mini Split Line Set – R-454B
    • MRCOOL 5th Gen Pre-Charged Mini Split Line Set – R-454B
    • MRCOOL 5th Gen Pre-Charged Mini Split Line Set – R-454B
    • MRCOOL 5th Gen Pre-Charged Mini Split Line Set – R-454B
    • MRCOOL 5th Gen Pre-Charged Mini Split Line Set – R-454B
    • MRCOOL 5th Gen Pre-Charged Mini Split Line Set – R-454B
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    MRCOOL 5th Gen Pre-Charged Mini Split Line Set – R-454B

    20% Off
    Sale Price $227.00 Regular Price $283.75
    Length: 16 ft (Wire included with air handler)
    Air Handler Size: 6k BTU
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    MRCOOL Gen 5 Pre-Charged Mini Split Line Set – R-454B (DIY Ready)

    Upgrade or extend your MRCOOL DIY 5th Gen mini split system with our genuine MRCOOL Gen 5 Pre-Charged Mini Split Line Set – R-454B. Designed for fast, clean, and easy installation, each line set is pre-charged with R-454B refrigerant and comes ready to connect to compatible MRCOOL air handlers and condensers without the need for special tools, vacuum pumps, or refrigerant gauges.

    Whether you're installing a single zone or configuring a multi-zone setup, these pre-charged, quick connect line sets make the job simple and DIY-friendly. Our line set options range from standard 16 ft and 25 ft sizes (which include control wire built into the air handler) to longer combinations using our MRCOOL coupler kits and extended control wire. All sets are designed for MRCOOL's 5th Generation DIY mini splits using the environmentally friendly R-454B refrigerant.

    Key Features:

    • Pre-Charged with R-454B Refrigerant – No vacuuming or refrigerant handling required
    • DIY Quick Connect Installation – Perfect for homeowners and contractors alike
    • Multiple Length Options – From 16 ft up to 75 ft (with couplers and control wire)
    • Flexible Configuration – Ideal for new installations, replacements, or extending your existing MRCOOL system
    • Genuine MRCOOL OEM Product – Guaranteed compatibility with MRCOOL Gen 5 R-454B systems

    Available Length Options:

    • 16 ft (Control Wire pre-attached to the air handler)
    • 25 ft (Control Wire pre-attached to the air handler)
    • 35 ft (35' + Control Wire)
    • 41 ft (25' + 16' + Couplers + Control Wire)
    • 50 ft (50' + Control Wire)
    • 60 ft (25' + 35' + Couplers + Control Wire)
    • 66 ft (50' + 25' + Couplers + Control Wire)
    • 70 ft (35' + 35' + Couplers + Control Wire)
    • 75 ft (50' + 25' + Couplers + Control Wire)

    Product Compatibility:

    Compatible with all MRCOOL 5th Gen DIY mini split systems designed for R-454B refrigerant, including wall-mounted air handlers and multi-zone condensers. Please check your system requirements and match the correct lengths and air handler pairing for optimal performance.

    Why Choose MRCOOL Pre-Charged Line Sets?

    With MRCOOL’s patented DIY technology, our pre-charged line sets allow homeowners to install their own HVAC systems safely and confidently. No licensed technician is required for setup when following the provided instructions, making this a cost-effective and stress-free solution for any home.

    Want to learn more about pre-charged line sets? Click here to read our detailed guide on how MRCOOL DIY pre-charged systems work and why they save you money.

     

    Specifications & Dimensions

    MRCOOL R-454B Pre-Charged Line Set Specs:

    Length Includes Refrigerant DIY Installation Vacuum Required Couplers Control Wire
    16 ft Line Set Only R-454B Yes No No Built into Air Handler
    25 ft Line Set Only R-454B Yes No No Built into Air Handler
    35 ft Line Set + Control Wire R-454B Yes No No Included
    41 ft 25' + 16' + Couplers + Wire R-454B Yes No Yes Included
    50 ft Line Set + Control Wire R-454B Yes No No Included
    60 ft 25' + 35' + Couplers + Wire R-454B Yes No Yes Included
    66 ft 50' + 25' + Couplers + Wire R-454B Yes No Yes Included
    70 ft 35' + 35' + Couplers + Wire R-454B Yes No Yes Included
    75 ft 50' + 25' + Couplers + Wire R-454B Yes No Yes Included
    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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