MRCOOL No-Vac 3/8 x 3/4 Pre-Charged Line Set (R-410A) – For 1st Gen Central Ducted, Universal & VersaPro Systems

Upgrade your HVAC installation with the MRCOOL No-Vac Quick Connect 3/8" x 3/4" Pre-Charged Line Set, engineered for fast, reliable performance across MRCOOL Universal, VersaPro, and 1st Generation Central Ducted systems.

This line set is factory pre-charged with R-410A refrigerant, eliminating the need for vacuuming, brazing, or additional charging—making it the perfect solution for both professionals and advanced DIY installers looking to save time without sacrificing performance.

⚠️ IMPORTANT COMPATIBILITY NOTICE

• ✅ Compatible with:
  • MRCOOL 1st Generation Central Ducted Systems (R-410A)
  • MRCOOL Universal Series
  • MRCOOL VersaPro 3 Ton, 4 Ton, and 5 Ton Systems
• ❌ NOT compatible with:
  • 2nd Generation Central Ducted Systems (R-454B)
    These systems use a different refrigerant and are NOT interchangeable.
  • Need a 2nd Gen (R-454B) Line Set? Click HERE.

Key Features & Benefits

No-Vac Quick Connect Installation
Skip the vacuum pump, gauges, and brazing. The pre-charged quick connect system allows for a fast, clean installation with minimal tools.

Pre-Charged with R-410A Refrigerant
Factory charged (1.94 oz.) for precise system performance and efficiency right out of the box.

Wide System Compatibility
Designed for use with:

• MRCOOL Universal Series
• MRCOOL VersaPro Systems (3 Ton, 4 Ton, 5 Ton)
• 1st Gen MRCOOL Central Ducted Systems (R-410A)

Durable Gator-Flextra Insulation
Heavy-duty 3/4" UV-resistant insulation sleeve protects against:

• Sun exposure
• Weather damage
• Rodents and physical wear

Secure Screw-On Quick Connect Fittings
Ensures tight, leak-resistant connections without specialized HVAC tools.

Extendable Design
Need more length? Easily connect multiple line sets using a compatible coupler for longer runs and complex installs.

Why Choose This MRCOOL Pre-Charged Line Set?

• Save hours on installation time
• No specialized HVAC tools required
• Consistent, factory-controlled refrigerant charge
• Built for durability in real-world conditions
• Designed specifically for MRCOOL R-410A systems

Perfect For:

• HVAC professionals looking to streamline installs
• DIY installers working with MRCOOL systems
• Replacements for existing R-410A (1st Gen) setups
• Universal and VersaPro system configurations