MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler

The MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set is built to make your DIY mini split installation simple, fast, and efficient. Pre-charged with R-454B refrigerant and designed with secure Quick Connect fittings, this line set removes the need for vacuuming, charging, or specialized tools. Specifically made for MRCOOL DIY 6K, 9K, and 12K indoor mini split air handlers, it ensures a reliable and leak-free connection between indoor and outdoor units.

Please note: This system is designed for DIY installation and includes a pre-charged Quick Connect line set for easy setup without HVAC tools or certification.

MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler Features

Pre-Charged with R-454B Refrigerant – Eliminates the need for handling refrigerant or vacuuming the lines.

25 Ft. Length – Provides flexibility in installation for various room layouts and system placements.

Durable Copper Tubing – Built for long-lasting performance with superior heat transfer capabilities.

Quick Connect Fittings – Ensure secure, leak-free connections that are DIY-friendly.

Perfect Match Compatibility – Designed for MRCOOL DIY 5th Gen 6K, 9K, and 12K indoor mini split air handlers.

MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler Applications

• Bedrooms – Allows flexible unit placement for optimal comfort.

• Home Offices – Supports efficient installations in small workspaces.

• Apartments & Condos – Fits perfectly for compact living areas with smaller air handlers.

• Workshops or Studios – Easy to extend climate control into secondary spaces.

What’s Included?

• MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8"

• User Manual

MRCOOL DIY 5th Gen 25 Ft. Pre-Charged Quick Connect Line Set, 1/4" x 3/8", for DIY 6K, 9K, & 12K Indoor Mini Split Air Handler Specifications

Frequently-Asked Questions

Do I need HVAC tools to install this line set?
No, the pre-charged Quick Connect design allows for DIY installation without special tools.

Is this line set compatible with all MRCOOL DIY systems?
No, it is specifically designed for the MRCOOL DIY 5th Gen 6K, 9K, and 12K indoor mini split air handlers.

Can I connect multiple line sets together?
Yes, MRCOOL offers coupler kits that allow line sets to be extended when necessary.

What refrigerant is this line set pre-charged with?
It comes pre-charged with eco-friendly R-454B refrigerant.