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MrCool 50ft 3/8 x 5/8 Lineset with DIY Pro Cable for 24K & 36K DIY Indoor Units - R454B.   At  Generation Eco Store
MrCool 35' R-454B No-Vac Lineset.   At  Generation Eco Store
MrCool 35' R-454B No-Vac Lineset.   At  Generation Eco Store
MrCool 50ft 3/8 x 5/8 Lineset with DIY Pro Cable for 24K & 36K DIY Indoor Units - R454B.   At  Generation Eco Store
MrCool 35' R-454B No-Vac Lineset.   At  Generation Eco Store
MrCool 35' R-454B No-Vac Lineset.   At  Generation Eco Store

MrCool 25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Mini-Split - R454B

MrCool

Sku: DIY25-3858-O

$457.00

Buy Now, Pay Later

Perfect Companions
Description

25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor - R454B: Your Path to a Cooler, Greener Home

Imagine the peace of mind knowing your home is perfectly comfortable, powered by an efficient and environmentally conscious HVAC system. This 25ft 3/8 x 5/8 lineset is specifically designed for DIY 24K and 36K indoor units using R454B refrigerant, making your transition to a greener home easier than ever. Experience superior climate control and reduced energy consumption, all while contributing to a healthier planet. Feel the satisfaction of a comfortable home and a lighter environmental footprint.

Choose Generation Eco Store for a Sustainable Future

At Generation Eco Store, we empower you to make informed decisions for a sustainable lifestyle. We carefully select products like this lineset, ensuring they meet rigorous environmental standards without compromising on performance. Our commitment to eco-friendly solutions means you can trust your purchase contributes to a healthier planet for generations to come. Join us in building a greener future, one smart choice at a time.

Specification Values
Length 25ft
Diameter (Suction Line) 5/8 inch
Diameter (Liquid Line) 3/8 inch
Compatible Refrigerant R454B
Recommended Capacity 24K & 36K BTU Indoor Units
Specifications & Dimension
What's in the Box?
Guides & More
Shipping Policy
  • Free & Fast Shipping
    We offer free shipping on most MRCOOL DIY Lineset orders  across the lower 48 states, using the most reliable freight partners. Orders typically ship within 5 business days, with tracking provided within 24 hours of dispatch.
  • Tracking & Delivery Scheduling
    You’ll receive an order confirmation email immediately after placing your order. Tracking details are usually shared within 3–5 business days. Please review your shipping address carefully—corrections after shipment may incur a fee.
  • Important Shipping Notes
    Ensure your location can accommodate freight deliveries. Additional charges may apply for access-restricted areas, remote locations, or deliveries requiring special transport (e.g., ferry or plane).

    See our full Shipping Policy here
Return Policy
  • Hassle-Free Returns
    We offer a 30-day return window from the date you receive your item. Items must be unused, in original packaging, and accompanied by proof of purchase. Some items may incur a 15–25% restocking fee, especially larger freight-shipped products. Cancellations made before shipping will incur a 3-5% processing fee.
  • Damaged or Special Orders
    Please report any damages within 24 hours of delivery. Installed or opened items may not be returnable. Select brands such as Victron and Pytes may be non-returnable based on manufacturer policies.

    See our full Return Policy here

"What we'd tell a friend"

    Easy DIY Installation
    Install your AC lineset effortlessly, saving money on professional help and gaining energy independence.
    Perfect Fit Every Time
    This 25ft lineset ensures optimal compatibility for DIY 24K & 36K AC systems, preventing costly errors.
    Eco-Friendly Refrigerant Ready
    Designed for R454B, this lineset supports a greener cooling solution for your home.

See it in Action

Have a Question? We Have Answers

What is this lineset compatible with?
    This lineset is designed for DIY 24K & 36K indoor units. It is compatible with systems using R454B refrigerant.
What are the dimensions of this lineset?
    This lineset is 25 feet long and has a 3/8 inch and 5/8 inch diameter for the two lines.
Is this lineset suitable for DIY installation?
    Yes, this lineset is specifically designed for DIY installations. It provides the necessary tubing for connecting your indoor and outdoor HVAC units.
What is the warranty on Lineset?

Warranty for product varies based on the brand and the product. For some of the warranties, https://generationecostore.com/pages/warranty view OEM warranty policy. For any questions, please reach out to us at hello@generationecostore.com 

Can I return the Lineset if I'm not satisfied?

We offer a 30-day return window from the date you receive your item. To be eligible for a return, the item must be unused, in its original packaging, and include proof of purchase.

Your Satisfaction is Our Priority

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Free shipping on orders over $500 (exceptions apply), get your purchase delivered quickly and hassle-free

Warranties

We stand behind the quality of our products and are backed by manufacturers' warranties

Customer Support

Our support team is available to assist you with any questions or concerns you have

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