The HVAC365 1/4" x 5/8" 35 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 performance.

This line set includes a 1/4-inch liquid line and 5/8-inch suction line configuration, making it suitable for compatible mini split systems requiring these refrigerant line sizes. The 35-foot length provides additional installation flexibility for applications where more distance is required 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 ductless HVAC applications.

The HVAC365 1/4" x 5/8" x 35 Foot Copper Line Set is an ideal choice for mini split installations, replacements, and HVAC upgrades requiring a reliable and flexible refrigerant connection.

Key Features

• Designed for Ductless Mini Split Systems – Compatible with selected mini split air conditioners and heat pump systems.
• 1/4" x 5/8" Copper Tubing Size – Includes a 1/4-inch liquid line and 5/8-inch suction line configuration.
• 35 Foot Length – Provides extended installation flexibility for greater indoor/outdoor unit spacing.
• Pre-Flared Connections – Helps simplify installation by reducing tubing preparation time.
• Insulated Copper Tubing – Helps maintain refrigerant temperature and reduce condensation.
• Durable Copper Construction – Provides reliable refrigerant flow and long-lasting HVAC performance.
• Residential & Light Commercial Application – Suitable for homes, offices, and small commercial HVAC systems.

Compatibility / Installation Notes

The HVAC365 1/4" x 5/8" 35 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: 35 Feet
• Liquid Line Size: 1/4 Inch
• Suction Line Size: 5/8 Inch
• Material: Copper Tubing
• Connection Type: Pre-Flared
• Insulation: Included
• Application: Ductless Mini Split HVAC Systems

Installation Notes:

• Confirm refrigerant line size compatibility 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 performed by a qualified HVAC professional.

Frequently Asked Questions

What is the HVAC365 1/4" x 5/8" copper line set used for?
This line set is designed for connecting compatible ductless mini split air conditioners and heat pump systems.

What sizes are included?
The set includes a 1/4-inch liquid line and 5/8-inch suction line.

How long is this mini split line set?
This model is 35 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 line set includes pre-flared ends for easier installation with compatible mini split systems.

Can this line set be used with any ductless mini split?
No. Compatibility depends on the manufacturer’s required refrigerant line size and installation specifications.