MRCOOL 25FT 1/4" x 3/8" Flared Line Set Kit for 9K & 12K Mini Splits (MC25-1438)

Ensure a secure and professional connection between your indoor air handler and outdoor condenser with the MRCOOL 25FT 1/4" x 3/8" Flared Line Set Kit (MC25-1438). This high-quality line set is designed for 9K and 12K wall-mounted air handlers or ceiling cassette systems and delivers reliable performance for residential and light commercial applications.

System Compatibility

This line set is compatible with:

• MRCOOL Olympus Series 9K & 12K systems
• MRCOOL Advantage Series 9K & 12K systems
• Any mini split system requiring a 1/4" liquid line and 3/8" suction line

Compatible with both:

• Wall-mounted air handlers
• Ceiling cassette air handlers

Always verify line size requirements in your system specifications before ordering.

Key Features

Correct Line Size for 9K & 12K Systems
Configured with 1/4" liquid and 3/8" suction lines, ideal for most 9K and 12K mini split applications.

Flared Connections
Factory-flared ends provide secure, leak-resistant connections when properly installed and torqued to manufacturer specifications.

25-Foot Length
Provides flexibility for standard residential installations, including homes, rental properties, garages, additions, and light commercial spaces.

Durable Copper Construction
Built from high-quality copper tubing designed to withstand long-term HVAC operation.

Not Pre-Charged
This line set is not pre-charged with refrigerant and must be properly evacuated and charged by a licensed HVAC professional.

Specifications

• Length: 25 Feet
• Line Size: 1/4" Liquid x 3/8" Suction
• Connection Type: Flared
• Compatible BTU Sizes: 9K and 12K
• Pre-Charged: No

Installation Notes

• Confirm required line size with your specific condenser and air handler.
• Properly torque all flare connections to manufacturer specifications.
• Secure the line set to prevent vibration or damage.
• System must be vacuumed and professionally charged before operation.

This 25FT 1/4" x 3/8" flared line set provides a dependable connection solution for 9K and 12K mini split systems, delivering long-term performance and installation flexibility for residential and light commercial applications.