SKU: 23281123890

MRCOOL 50 ft. 3/8" x 3/4" No-Vac Pre-Charged Line Set for Central Ducted Hyper Heat 2nd Gen & VersaPro 2nd Gen (R-454B Refrigerant)

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Description

MRCOOL 50 ft. 3/8" x 3/4" No-Vac Pre-Charged Line Set for Central Ducted Hyper Heat 2nd Gen & VersaPro 2nd Gen (R-454B Refrigerant)MRCOOL 50 ft. No Vac Pre Charged Line Set 3 8" x 3 4" for Hyper Heat 2nd Gen & VersaPro 2nd Gen Systems Complete your compatible MRCOOL central ducted HVAC installation with the MRCOOL 50 ft. No Vac Pre Charged Line Set, engineered specifically for MRCOOL Hyper Heat 2nd Gen and VersaPro 2nd Gen systems using R 454B refrigerant. Designed for longer installation distances, this factory pre charged line set delivers simplified installation, reliable

MRCOOL 50 ft. No-Vac® Pre-Charged Line Set – 3/8" x 3/4" for Hyper Heat 2nd Gen & VersaPro® 2nd Gen Systems

Complete your compatible MRCOOL® central ducted HVAC installation with the MRCOOL 50 ft. No-Vac® Pre-Charged Line Set, engineered specifically for MRCOOL® Hyper Heat 2nd Gen and VersaPro® 2nd Gen systems using R-454B refrigerant. Designed for longer installation distances, this factory pre-charged line set delivers simplified installation, reliable performance, and high-efficiency operation without the need for vacuum pumps or refrigerant charging.

Featuring MRCOOL’s innovative No-Vac® Quick Connect technology, this line set allows for fast, secure, and leak-resistant installation with minimal tools required. Because naturally the condenser always ends up fifty feet away behind a shrub, around a corner, and somehow uphill.

Key Features & Benefits

  • 50-Foot Length – Ideal for longer installation runs where additional flexibility is needed for condenser and air handler placement.
  • Pre-Charged with R-454B Refrigerant – Factory charged and sealed for quick installation without vacuuming or refrigerant handling.
  • 3/8" Liquid Line & 3/4" Suction Line – Engineered to support optimal refrigerant flow and maximum system efficiency.
  • No-Vac® Quick Connect Technology – Leak-resistant, factory-sealed fittings provide a secure and professional-quality installation.
  • Tool-Free Installation Design – No vacuum pumps, gauges, or refrigerant charging equipment required for compatible systems.
  • Durable Weather-Resistant Construction – Manufactured with high-quality copper tubing and heavy-duty insulation for long-lasting durability in demanding conditions.
  • Energy Efficient & Eco-Friendly – Designed for use with modern R-454B refrigerant systems that comply with updated EPA refrigerant regulations.

Designed for Compatible MRCOOL® R-454B Systems

This MRCOOL® No-Vac® Pre-Charged Line Set is specifically designed for:

  • MRCOOL® Hyper Heat 2nd Gen Central Ducted Systems
  • MRCOOL® VersaPro® 2nd Gen Central Ducted Systems

The factory pre-charged R-454B design helps ensure proper compatibility, efficient refrigerant circulation, and dependable heating and cooling performance for newer-generation MRCOOL® HVAC systems.

Important Compatibility Notice

For R-454B Systems Only – This No-Vac® line set is engineered exclusively for MRCOOL® systems utilizing R-454B refrigerant.

Not Compatible with R-410A Systems – Do not use with older MRCOOL® equipment or any HVAC system requiring R-410A refrigerant. Using incompatible refrigerant components may cause operational problems, equipment damage, component failure, and voided manufacturer warranties.

Why Choose MRCOOL® No-Vac® Line Sets?

  • Factory pre-charged for simplified installation
  • No vacuuming or refrigerant handling required
  • Leak-resistant quick connect fittings
  • Ideal for professional and advanced DIY installations
  • Designed specifically for MRCOOL® R-454B systems
  • Reliable long-term performance with genuine MRCOOL® components

Buy from an Authorized MRCOOL® Dealer

When you purchase from MRCOOL HVAC Direct, you are buying from an authorized MRCOOL® dealer committed to providing genuine equipment, dependable customer service, and expert HVAC support.

  • 100% Genuine MRCOOL® Products – No counterfeit parts or unauthorized third-party sellers.
  • Expert Customer Support – Guidance for product compatibility, installation assistance, and system selection.
  • Fast & Reliable Shipping – Nationwide fulfillment with quick processing and secure delivery.
  • Competitive Pricing – Excellent value on official MRCOOL® HVAC equipment and accessories.

Upgrade Your MRCOOL® HVAC System Today

Choose the MRCOOL 50 ft. No-Vac® Pre-Charged Line Set for a faster, cleaner, and more reliable HVAC installation experience. Designed specifically for compatible MRCOOL® Hyper Heat 2nd Gen and VersaPro® 2nd Gen systems using R-454B refrigerant, this line set delivers dependable performance with simplified installation convenience.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23281123890

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4.1 ★★★★★
Based on 20 reviews
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Product Reviews
I
Verified Purchase
Irena Storm
Birmingham, US
★★★★★ 5
Soulless Saint
Format: Kindle
If you're looking for a dark, thrilling romance that will keep you on the edge of your seat, "Soulless Saint" by Elena Lawson is the book for you. This first installment in the Kings of Kilborn University dseries is an irresistible mix of passion, danger, and intense chemistry. The story follows Becca, who moves to a new city to escape her past, only to find herself entangled with Kaleb and Hardin, crime lords known as the Sainted Kings. Initially tasked with protecting her, their relationship quickly evolves from animosity to an obsessive attraction that neither can resist. Becca is our fiery fmc and she is trying to rebuild her life after being cut off by her father. Kaleb and Hardin are complex and compelling—Kaleb is haunted by his own demons, while Hardin is the silent, deadly type. Their interactions with Becca are electrifying, filled with tension and undeniable chemistry. The book is packed with steamy scenes, raw violence, and unexpected twists that will leave you breathless. Just when you think you know where the story is going, Lawson throws in surprises that keep you hooked. The introduction of Aódhan, a mysterious and captivating character - needing more of him. "Soulless Saint" is a fast-paced, gripping read that you won't be able to put down. If you love dark romance with multifaceted characters and high stakes, this book is a must-read. The ending will leave you eagerly anticipating the next book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 19, 2024
S
Verified Purchase
Shelly
Fort Morgan, US
★★★★★ 5
"In a moment of clarity, I realized I knew why a good guy would never be enough..."
Format: Kindle
"...Good guys didn't touch you like the bad guys did. They didn't push the limits. Hold you down. Make you insane with need. Make you scream." A spin off from the Crows but it's own story. I've been rushing to get to this book (had some others I had to read first). But I could not hold off any longer. I happily picked it up and refused to put it down. This book is going to pick up where we left off with Becca from the Boys of Briar Hall. She has made her way to SoCal Arts and cut off by her dad. The Kings of Kilburn, also cousins to our Crows, have been asked to watch Becca as a favor. Ava Jade is worried about her. Hardin and Kaleb have their own issues but someone find themselves individually drawn to Becca. And Becca, well her bad guy rep is pulling her to them just as much. What should be toxic, is super HOT. But the Kings have Saint business as well. Damian St Vincent, the ruthless leader of this Saints chapter, also happens to be the boys father. And they are currently being threatened by a new Irish gang, Sons of Sullivan. This threat is unaliving member of the Saints and messing up relationships that have been established. Damian warns the guys to stay away from Becca because with this threat, it could put her in danger if she is a known associate to the boys. But things are never that easy. And lastly, we have would could be a third player. Aódhan. He's Irish and has his own secrets. Also super hot and seems to find himself infatuated with Becca too. But the last chapter, we are going to see inside his POV, and there is more to this Irishmen to come for sure. Cliffhanger! I always want more from Elena Lawson books, but I love them so much I can't wait for the series to be completed before diving in. **READ YOUR TRIGGER WARNINGS** Happy Reading Ya'll!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2023
E
Verified Purchase
Erica
Massapequa, US
★★★★★ 3
hoping for a little more
Format: Kindle
I was hoping for a little more with this book as I loved the other series in this “world,” and hoping it’ll come in the 2nd book. During this book I kept skipping pages ahead trying to move things along, just didn’t really feel like much was answered or accomplished but I’m sure that was the authors point in trying to build everything up but for me it just dragged a bit…Will absolutely read book 2 to see how it all unfolds.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 2, 2024
R
Verified Purchase
Rebecca Carsley
Los Angeles, US
★★★★★ 5
Can’t Wait For The Next Book!!!
Format: Kindle
⭐️⭐️⭐️⭐️⭐️ Review This is the first book in the new series Kings Of Kilborn University by Elena Lawson and an absolutely fantastic start to the series. This follows after Boys Of Briar Hall Series and we even get to see AJ and the Crows. This is Becca’s story after she left Thorn Valley and it’s one intense ride to say the least. Trying to avoid the gang violence she previously suffered she gets a fresh start and a chance at independence something she’s been desperate for. When she meets brothers Kaleb and Hardin things get absolutely intense. They are the Kings of Kilborn and also her new tormentors and they become absolutely obsessed with her. This is a story you have absolutely got to read. The chemistry between the three is off the charts even though Becca just wants to keep away from them she can’t deny the connection. This book will seriously have you on edge, it’s got violence, gang war between the Saints and the O’Sullivan Sons, lots of twists and turns, and unexpected revelations at the end that will leave you needing book two asap. Am seriously looking forward to finding out what happens next for these characters. Definitely an awesome start to new series. Highly recommend this.
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Reviewed in the United States on February 6, 2023
A
Verified Purchase
Amazon Customer
West Palm Beach, US
★★★★★ 4
4.5 ⭐ I loved it!
Format: Kindle
Excellent story line. I have loved all in this book whisch was very smart. My favorite gentleman here is Aodhan since the begining I fell for him. The sex chemistry here was amazing! The only thing I did not like was: they talk about class in the university but we never had a scene in that scenario the rest very good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 1, 2025

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