MRCOOL 5th Gen 16ft 3/8 x 5/8 Pre-Charged Line Set for DIY 24K & 36K Indoor

The MRCOOL 5th Gen 16ft 3/8 x 5/8 Pre-Charged Line Set is designed to make installation of MRCOOL DIY 24K and 36K indoor units simple and hassle-free. Pre-charged with R-454B refrigerant, this Quick-Connection line set eliminates the need for vacuum pumps, gauges, or special tools, allowing homeowners to set up their system with confidence. Constructed from durable copper with a secure quick-connect fitting, it delivers reliable refrigerant flow while maintaining system efficiency.

Please note: This line set is designed for DIY installation and comes pre-charged with R-454B refrigerant for quick, tool-free setup.

MRCOOL 5th Gen 16ft 3/8 x 5/8 Pre-Charged Line Set for DIY 24K & 36K Indoor Features

Pre-Charged Convenience
Factory-charged with R-454B refrigerant to simplify installation and ensure reliable system performance.

Quick-Connection Fittings
Secure fittings eliminate the need for brazing, vacuuming, or gauges during setup.

Durable Copper Construction
Made with high-quality copper tubing for long-lasting durability and dependable refrigerant transfer.

Optimized Size
Features a 3/8" liquid line and 5/8" suction line, perfectly matched for DIY 24K and 36K systems.

Safe & Compliant
Contains compressed gas and meets Proposition 65 safety requirements.

MRCOOL 5th Gen 16ft 3/8 x 5/8 Pre-Charged Line Set for DIY 24K & 36K Indoor Applications

• DIY installations – designed specifically for MRCOOL DIY 24K & 36K indoor units.

• System expansions – extend your system’s coverage with a pre-charged solution.

• Upgrades – replace older or damaged line sets with a reliable, pre-charged option.

• Time-saving installs – quick-connect technology reduces installation time and eliminates specialized tools.

What’s Included?

• 16 ft 3/8 x 5/8 Pre-Charged Line Set (R-454B)
  

• User Manual

Warranty

• 1-Year Parts Warranty

MRCOOL 5th Gen 16ft 3/8 x 5/8 Pre-Charged Line Set for DIY 24K & 36K Indoor Specifications

Frequently-Asked Questions

Is this line set DIY-friendly?
Yes. This line set is designed for DIY installation with MRCOOL DIY 24K and 36K indoor units.

What refrigerant does it use?
This line set comes pre-charged with R-454B refrigerant, which is more eco-friendly than R-410A.

Do I need special tools to install this line set?
No. Thanks to Quick-Connection fittings, no vacuum pump, gauges, or brazing equipment are required.

Can I use this line set with other systems?
No. This line set is engineered specifically for MRCOOL DIY 24K and 36K indoor systems and should not be used with other brands or models.