The HVAC365 1/4" x 3/8" 50 Foot Copper Line Set for Ductless Mini Split Units is a high-quality refrigerant tubing assembly designed for ductless mini split air conditioning and heat pump systems. Featuring pre-flared and insulated copper tubing, this line set provides a convenient solution for connecting indoor and outdoor mini split units while supporting reliable refrigerant flow and efficient system performance.

This line set includes a 1/4-inch liquid line and 3/8-inch suction line configuration, commonly used for compatible ductless mini split systems. The 50-foot length provides extended installation flexibility for applications requiring greater distance between indoor and outdoor units.

The copper tubing comes pre-flared and insulated, helping simplify installation while reducing the need for additional preparation. The insulation helps maintain refrigerant temperature, improve system efficiency, and reduce condensation during operation.

Designed for residential and light commercial HVAC applications, the HVAC365 1/4" x 3/8" x 50 Foot Copper Line Set is an ideal choice for mini split installations, replacements, and system upgrades where dependable refrigerant connections are required.

Key Features

• Compatible with Ductless Mini Split Systems – Designed for compatible mini split air conditioners and heat pump units.
• 1/4" x 3/8" Copper Tubing Size – Includes 1/4-inch liquid line and 3/8-inch suction line configuration.
• 50 Foot Length – Provides extended reach for flexible indoor and outdoor unit placement.
• Pre-Flared Connections – Helps simplify installation by reducing preparation time.
• 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 Use – Suitable for mini split installations in homes, offices, and small commercial spaces.

Compatibility / Installation Notes

The HVAC365 1/4" x 3/8" 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: 3/8 Inch
• Material: Copper Tubing
• Connection Type: Pre-Flared
• Insulation: Included
• Application: Ductless Mini Split HVAC Systems

Installation Notes:

• Verify line size compatibility with the mini split manufacturer specifications before installation.
• Ensure flare connections are properly tightened to prevent refrigerant leaks.
• Follow HVAC installation procedures for evacuation and refrigerant handling.
• 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 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 3/8-inch suction line.

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

Are the copper tubes insulated?
Yes. The tubing is insulated 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 be used with any mini split system?
No. Compatibility depends on the manufacturer’s required refrigerant line size and installation specifications.