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

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.