• Description

 

The MRCOOL 35 Ft. R-454B No-Vac Lineset is designed to make HVAC installations quicker, easier, and more reliable. Pre-charged with environmentally friendly R-454B refrigerant, this lineset eliminates the need for field vacuuming, brazing, or charging. It’s factory-sealed to maintain refrigerant purity and reduce installation time and potential errors. Compatible with select MRCOOL systems, it delivers professional results with minimal tools and training.

MRCOOL 35 Ft. R-454B No-Vac Lineset Features

Pre-Charged Convenience – Comes pre-charged with R-454B refrigerant, eliminating the need for vacuuming or charging.

Tool-Free Installation – No brazing or vacuum pump required, saving time and reducing installation risks.

Leak-Proof Seal – Factory-sealed connections help ensure a consistent and safe refrigerant flow.

35 Ft Length – Provides extended reach, ideal for split installations requiring longer line routing.

High Compatibility – Designed to integrate seamlessly with MRCOOL central ducted and ductless units using R-454B.

MRCOOL 35 Ft. R-454B No-Vac Lineset Applications

  • Residential HVAC – Reliable refrigerant connection for MRCOOL home systems.

  • Retrofit Projects – Simplifies replacing older refrigerant lines with eco-friendly R-454B linesets.

  • Remote Indoor Unit Locations – Ideal for extended-distance indoor unit placements.

  • Fast Install Jobs – Best suited for quick and efficient system installs.

What’s Included?

  • MRCOOL 35 Ft. R-454B No-Vac Lineset (NV35-3834-O)

  • User Manual

MRCOOL 35 Ft. R-454B No-Vac Lineset Specifications

Dimensions 41" D x 41" H x 5" W
Refrigerant Type R-454B
Refrigerant Volume (Oz) 5.73
Line Set Length 35 ft
Lineset Fitting Type Quick-Connect
Liquid Line Size 3/8"
Suction Line Size 3/4"
Contains Chemicals Yes
Net Weight (lbs) 32
Gross Weight (lbs) 37

Frequently-Asked Questions

Is this lineset compatible with older MRCOOL units?
This lineset is compatible only with MRCOOL systems that use R-454B refrigerant. Verify your unit’s compatibility before purchase.

Can I use this lineset with a non-MRCOOL system?
No. The lineset is engineered for MRCOOL's R-454B-specific units and may not work correctly with other brands or refrigerants.

Do I need professional tools to install this lineset?
No. The No-Vac design removes the need for vacuum pumps or brazing, allowing for a quicker, easier installation.

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.
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Feedback From Our Customers

At Green Vista Living, we pride ourselves on delivering top-quality products and exceptional service to solar professionals and homeowners alike. Here's what our customers have to say about their experiences with us.

Kevin Leary
May 18, 2025
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Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

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Off grid Kit • Dec 21, 2025
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