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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 35ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor Units - R454B

MrCool

Sku: DIY35-1438C-O

$502.00

Buy Now, Pay Later

Perfect Companions
Description

35ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B

Transform your home comfort with confidence and ease using our premium 35ft 1/4 x 3/8 Lineset. Designed specifically for DIY 6K, 9K, and 12K indoor units, this lineset integrates seamlessly with your DIY Pro Cable, ensuring a smooth and efficient installation. Experience the satisfaction of a perfectly climate-controlled space, knowing you've chosen a durable and reliable solution that contributes to your home's energy efficiency. This lineset is crafted for optimal performance with R454B refrigerant, providing a sustainable and effective way to achieve ideal temperatures year-round. Enjoy quiet operation and consistent comfort, making your living environment truly yours.

Why Choose Generation Eco Store for Your Lineset?

At Generation Eco Store, we empower your sustainable choices. We meticulously curate products that meet rigorous quality standards and support eco-friendly initiatives. Our expert team is dedicated to providing comprehensive support, ensuring you select the perfect lineset for your DIY project with complete peace of mind. We believe in providing solutions that benefit both your home and the planet.

Specification Values
Length 35 ft
Diameter (Suction) 3/8 inch
Diameter (Liquid) 1/4 inch
Compatibility DIY 6K, 9K & 12K Indoor Units, DIY Pro Cable
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"

    Easy DIY Installation
    Install your AC system yourself with this pre-charged lineset, saving time and money on professional help.
    Eco-Friendly Refrigerant
    Features R454B refrigerant, a lower GWP alternative, for a more environmentally conscious cooling solution.
    Versatile & Compatible
    Designed for DIY 6K, 9K & 12K Indoor units, ensuring broad compatibility for your air conditioning needs.

See it in Action

Have a Question? We Have Answers

What is the length of this lineset?
    This lineset is 35 feet long. It is designed for DIY installations.
What indoor unit sizes is this lineset compatible with?
    This lineset is compatible with 6K, 9K, and 12K indoor units. It is part of the DIY series.
Does this lineset include a DIY Pro Cable?
    Yes, this lineset includes a DIY Pro Cable. It is designed for use 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

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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