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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 16ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor - R454B

MrCool

Sku: DIY16-1438-O

$227.00

Buy Now, Pay Later

Perfect Companions
Description

16ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor - R454B

Imagine the perfect climate in your home, effortlessly maintained with a reliable, high-performance lineset. This 16ft 1/4 x 3/8 lineset is specifically designed for DIY 6K, 9K, and 12K indoor mini-split installations using R454B refrigerant, offering a seamless and efficient connection for your HVAC system. Experience unparalleled comfort and peace of mind knowing your climate control is built to last, providing consistent cooling or heating for years to come.

Why Choose Generation Eco Store for Your HVAC Needs?

At Generation Eco Store, we empower your DIY spirit with top-quality products that align with your eco-conscious values. We carefully select brands that offer sustainable solutions without compromising on performance or reliability. Our commitment to your satisfaction means we provide the information and support you need to make the best choices for your home, ensuring a greener and more comfortable future.

Specification Values
Lineset Length 16ft
Line Sizes 1/4 x 3/8
Compatible BTU 6K, 9K, 12K Indoor
Refrigerant Type R454B
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"

    Perfect for DIY Cooling
    This lineset is specifically designed for DIY 6K, 9K & 12K indoor units, making installation easier and faster.
    Eco-Friendly Refrigerant Ready
    Optimized for R454B refrigerant, this lineset supports environmentally conscious air conditioning systems for your home.
    Durable & Reliable
    With 16 feet of high-quality lineset, it ensures reliable performance and lasting durability for your AC system.

See it in Action

Have a Question? We Have Answers

What DIY systems is this lineset compatible with?
    This 16ft lineset is designed for DIY 6K, 9K, and 12K indoor systems.
What is the length of this lineset?
    This lineset is 16 feet long.
What refrigerant is this lineset compatible with?
    This lineset is compatible with R454B refrigerant.
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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Warranties

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