The HVAC365 1/4" x 1/2" 50 Foot Copper Line Set for Ductless Mini Split Units is a durable refrigerant tubing assembly designed for connecting compatible ductless mini split air conditioners and heat pump systems. Featuring pre-flared and insulated copper tubing, this line set provides a convenient installation solution while supporting reliable refrigerant flow and efficient HVAC system operation.

This line set includes a 1/4-inch liquid line and 1/2-inch suction line configuration, designed for compatible mini split systems requiring these refrigerant line sizes. The 50-foot length provides extended installation flexibility for applications where greater distance is needed between indoor and outdoor units.

The copper tubing is pre-flared for easier installation and includes insulation to help maintain refrigerant temperature, improve system efficiency, and reduce condensation during operation. The high-quality copper construction provides dependable performance for residential and light commercial HVAC installations.

The HVAC365 1/4" x 1/2" x 50 Foot Copper Line Set is an ideal solution for mini split installations, replacements, and HVAC upgrades requiring a reliable, long-distance refrigerant connection.

Key Features

• Designed for Ductless Mini Split Systems – Compatible with selected mini split air conditioners and heat pump systems.
• 1/4" x 1/2" Copper Tubing Size – Includes a 1/4-inch liquid line and 1/2-inch suction line configuration.
• 50 Foot Length – Provides extended reach for flexible indoor and outdoor unit placement.
• Pre-Flared Connections – Helps simplify installation and reduces the need for additional tubing preparation.
• Insulated Copper Tubing – Helps maintain refrigerant temperature and reduce condensation.
• Durable Copper Construction – Provides reliable refrigerant flow and long-term HVAC performance.
• Residential & Light Commercial Application – Suitable for homes, offices, and small commercial HVAC installations.

Compatibility / Installation Notes

The HVAC365 1/4" x 1/2" 50 Foot Copper Line Set is designed for:

• Ductless Mini Split Air Conditioners
• Mini Split Heat Pump Systems
• Residential HVAC Applications
• Light Commercial HVAC Installations

Specifications:

• Brand: HVAC365
• Product Type: Mini Split Copper Line Set
• Length: 50 Feet
• Liquid Line Size: 1/4 Inch
• Suction Line Size: 1/2 Inch
• Material: Copper Tubing
• Connection Type: Pre-Flared
• Insulation: Included
• Application: Ductless Mini Split HVAC Systems

Installation Notes:

• Verify refrigerant line size requirements with the mini split manufacturer before installation.
• Ensure flare connections are properly tightened to prevent refrigerant leaks.
• Follow proper HVAC evacuation and refrigerant handling procedures.
• Installation should be completed by a qualified HVAC professional.

Frequently Asked Questions

What is this HVAC365 copper line set used for?
This line set is designed to connect compatible ductless mini split air conditioners and heat pump systems between indoor and outdoor units.

What sizes are included?
The set includes a 1/4-inch liquid line and 1/2-inch suction line.

How long is this mini split line set?
This model is 50 feet long.

Are the copper tubes insulated?
Yes. The line set includes insulation to help maintain refrigerant temperature and reduce condensation.

Are the connections pre-flared?
Yes. The tubing comes with pre-flared ends for easier installation with compatible mini split systems.

Can this line set work with any mini split system?
No. Compatibility depends on the manufacturer’s required refrigerant line sizes and installation specifications.