MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler
MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler
MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler
MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler

MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler

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MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler

GeoCool

MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler

$909.00 $502.00
MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler
MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler
MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler
MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler

GeoCool

MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable, 1/4" x 3/8", for DIY 6K, 9K, & 12K Mini Split Indoor Air Handler

$909.00 $502.00
  • Description
  • Why Buy From Us

MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable

The MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable is engineered to provide a reliable and flexible installation solution for MRCOOL 6K, 9K, and 12K BTU indoor air handlers. Pre-charged with R-454B refrigerant, this line set eliminates the need for vacuuming or refrigerant handling. Its Quick Connect fittings make it perfect for DIYers and professionals alike. Whether you're extending your system reach or replacing an old line set, this 35-foot configuration ensures safe, simple, and efficient setup.

MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable Features

Pre-Charged Convenience – Factory pre-charged with R-454B refrigerant, removing the need for charging or vacuuming during installation.

Quick Connect Fittings – Allows for a tool-free, leak-resistant connection that simplifies the install process for non-professionals.

Sized for Smaller Units – Designed specifically for 6K, 9K, and 12K 5th Gen DIY air handlers for optimal compatibility and system performance.

35 Ft. Extended Length – Offers more placement flexibility between indoor and outdoor components without needing refrigerant line splicing.

DIY Pro Cable Included – Includes a weather-resistant communication and power cable designed to work seamlessly with MRCOOL mini split systems.

Durable Construction – Features a tough outer jacket that’s UV- and weather-resistant, protecting your line set year-round.

MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable Applications

  • Compact installs – Perfect for homes or spaces where a 35-ft. run is needed between air handler and condenser

  • Room-to-room use – Ideal for indoor units placed in different rooms or across split walls

  • Second-story setups – Excellent for vertically-stacked configurations in two-story homes

  • Detached structures – Useful for extending line sets to small garages, studios, or sheds

  • DIY replacement – A smart choice for replacing older or damaged line sets in existing MRCOOL systems

What’s Included?

  • 35 Ft. Line Set (1/4" x 3/8")

  • DIY Pro Cable (communication and power)

  • Quick Connect Fittings (pre-installed)

MRCOOL DIY 5th Gen 35 Ft. Pre-Charged Quick Connect Line Set with DIY Pro Cable Specifications

Series

5th Gen DIY Line Set - R-454B

Compatible Air Handlers

6K, 9K, & 12K 5th Gen DIY

Line Set Length

35 ft

Lineset Fitting Type

Quick-Connection

Gross Dimensions

32.09" D x 4.92" H x 32.09" W

Color

White

Color Family

Bronze/Copper Metallic

Refrigerant Type

R-454B

Refrigerant Volume 

3.46

Liquid Line Size

1/4

Suction Line Size

3/8

Registered Warranty

N/A

Has Batteries

No

Contains Electronics

No

Contains Chemicals

Yes

Contains Aerosol

Yes

Contains Compressed Gas

Yes

Proposition 65 Warning

Yes

Restricted States

GU;PR;VI

Net Weight (Lbs)

17.6

Gross Weight (Lbs)

21.8

Frequently-Asked Questions

Is this line set compatible with all MRCOOL units?
No. It is specifically designed for use with 5th Gen MRCOOL DIY 6K, 9K, and 12K indoor air handlers. It is not compatible with 18K or larger units.

Does it require professional installation?
No. This line set is meant for DIY installations using MRCOOL’s patented Quick Connect fittings. However, those unfamiliar with HVAC systems may still benefit from hiring a technician.

Is it already filled with refrigerant?
Yes. The line set is pre-charged with R-454B and factory-sealed for clean, efficient setup without handling refrigerant.

Can I cut the line to a shorter length?
No. This line set must be used at full length as altering it will void the warranty and compromise the sealed, pre-charged design.

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

Let customers speak for us

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