25 Ft 1/4" x 1/2" Split System Air Conditioner Installation Kit – Complete HVAC Line Set Solution

Looking for a complete and easy-to-install HVAC solution? This 25 ft 1/4" x 1/2" split system air conditioner installation kit is designed to simplify installation while delivering reliable performance. Perfect for mini split systems, it includes all essential components needed for a fast, professional setup.

The Split AC Installation Kit is twin already. So buy it now.

Product Overview – All-in-One Mini Split Installation Kit

This complete HVAC installation kit combines insulated copper tubing with essential accessories, providing everything required for efficient system installation.

• Pipe Size: 1/4" (liquid line) + 1/2" (suction line)

• Length: 25 ft (7.6 meters)

• Material: 99.9% pure copper

• Structure: Twin insulated copper pipes

• Application: Mini split & split air conditioning systems

The kit includes communication cable, drain hose, and wall sleeve, making installation faster and more convenient.

Complete HVAC Installation Kit – Everything You Need

Pre-Insulated Copper Line Set Included

The kit features factory-insulated copper pipes that eliminate the need for manual insulation wrapping, saving time and ensuring consistent quality.

Full Set of Accessories for Easy Installation

Included components:

• Communication wire cable

• Condensate drain hose (approx. 3m)

• Wall pipe sleeve and cover

• Pre-flared copper pipe ends with nuts

These accessories ensure a seamless connection between indoor and outdoor units.

Premium Copper Tubing – Built for Durability

99.9% Pure Copper Meets ASTM Standards

Manufactured with high-purity copper that complies with ASTM B280 and C12200 standards, ensuring:

• Excellent thermal conductivity

• Long service life

• High corrosion resistance

Pre-Flared Ends for Fast Installation

Both ends of the copper tubing are pre-flared with nuts, allowing quick and secure connections without additional tools.

99.9% Pure Copper

White PE Insulated Pipe

Copper Nut

Features of pipe insulation tubing:

Machines for the production of thermal insulation pipes

warehouse for insulation pipes

Inner Layer Insulated Pipe

Advanced Insulation System for Energy Efficiency

UV-Resistant & Weatherproof Insulation

Available in white PE or black rubber insulation, suitable for both indoor and outdoor installations:

• UV-resistant and anti-aging

• Flame-retardant (UL94 compliant)

• SGS tested for fire and safety standards

Triple-Layer Insulation Structure

• Outer Layer: UV-resistant PE film

• Middle Layer: IXPE foam insulation

• Inner Layer: Closed-cell airtight structure

This design ensures excellent thermal insulation, durability, and moisture resistance.

Key Benefits of This 25 ft Installation Kit

Save Time & Reduce Installation Costs

Pre-insulated pipes and included accessories eliminate additional preparation work, making installation faster and more efficient.

Improve HVAC System Efficiency

High-quality insulation minimizes heat loss, helping maintain optimal refrigerant performance.

Reduce Leak Risks with Fewer Connections

The 25 ft continuous line reduces the need for joints, improving system reliability.

Durable & Long-Lasting Performance

Copper tubing resists corrosion and maintains performance over 15–20 years with proper installation.

HVAC Applications – Ideal for Medium Capacity Systems

This 1/4" + 1/2" installation kit is commonly used for:

• 12000 BTU to 18000 BTU mini split systems

• Residential HVAC installations

• Small commercial air conditioning systems

Typically suitable for 1.5–2.0 ton air conditioning units.

Technical Specifications

Customization & OEM Manufacturing Services

Looking to build your HVAC brand?

We offer:

• Custom insulation color (black / white)

• Logo printing on insulation

• Custom lengths and packaging

• OEM & ODM services

Perfect for wholesalers, contractors, and distributors.

Split System Air Conditioner Installation Kit

1/4 + 3/8 Split System Air Conditioner Installation Kit used for 0.75TON - 1.0TON mini split air conditioner.

1/4 + 1/2 Mini Split Line Set used for 1.5TON - 2.0TON mini split air conditioning.

1/4 + 5/8 Copper Line Set used for 2.0TON - 2.5TON split air conditioner system.

3/8 + 5/8 Insulated Copper Tube apply for 3.0TON - 4.0TON ductless mini split air conditioner.

3/8 + 3/4 Insulated Copper Tubing used for 4.5TON - 6.0TON split air conditioner installation.

3/8 + 7/8 Insulated Copper Piping apply for 6.0TON - 8.0TON ductless mini split air conditioner.

Air conditioning copper line sets 1/4 + 3/8 used for 0.75P and 1P split air conditioning.

Copper pipe kit 1/4 + 1/2 commonly used for 1.5P and 2P mini split air conditioners.

1/4 + 5/8 Mini Split Installation Kit used for 2P and 2.5air conditioner system.

3/8 + 5/8 Split System Air Conditioner Installation Kit apply for 3P and 4P ductless mini split air conditioner.

3/8 + 3/4 Copper pipe kit used for 4.5P and 6P split aircon installation.

3/8 + 7/8 Split AC Installation Kit apply for 6P - 8p TON ductless mini split air conditioner.

1/4 + 3/8 Mini split line set used for 9000BTU and 12000 BTU split air conditioner.

All copper line set 1/4 + 1/2 commonly used for 12000 BTU and 18000 BTU mini split air conditioners.

1/4 + 5/8 Split AC Installation Kit used for 24000 BTU and 30000 BTU air conditioner system.

3/8 + 5/8 Mini-split line set apply for 36000 BTU and 48000 ductless air conditioner.

3/8 + 3/4 line set kit used for 54000 BTU and 72000 split air conditioner installation.

3/8 + 7/8 Mini Split Installation Kit apply for 72000 BTU - 96000 BTU ductless mini split air conditioner.

Split System Air Conditioner Installation Kit 1/4 + 3/8 used for 9K and 12K split air conditioner.

Mini Split Installation Kit 1/4 + 1/2 commonly used for 12K and 18K mini split air conditioners.

1/4 + 5/8 Split AC Installation Kit used for 24K and 30K air conditioner system.

3/8 + 5/8 Mini-split line set apply for 36K and 48K ductless air conditioner.

3/8 + 3/4 Line set kit used for 54K and 72K split air conditioner installation.

3/8 + 7/8 Insulated Copper Piping apply for 72K - 96K ductless mini split air conditioner.

Why Choose DABUND HVAC Installation Kit?

• Over 14 years of HVAC manufacturing experience

• Monthly capacity up to 1,000,000 pcs

• Fast sample delivery (within 5 days)

• Strict quality control with SGS certification

• Global export and logistics support

DABUND provides a one-stop HVAC solution for line sets and installation kits.

DABUND FACTORY

We produce Insulated Copper Pipe, Mini Split Line Set and Aluminum Pipe and HVAC Parts

SGS Certificate

Mini Split Line Set is made of Polypropylene or Black Rubber with UV Resistant, meets ASTM E 84, UL94, ASTM D1056 and ASTM G 21

Exhibition

We join the exhibitions all over the word, just to facilitate customers to experience our mini split line set face to face.

FAQ

1.What is a 25 ft 1/4" x 1/2" air conditioner installation kit used for?

This installation kit is used to connect indoor and outdoor units in mini split air conditioning systems. It provides refrigerant flow, drainage, and communication between components.

2.What components are included in this installation kit?

The kit typically includes insulated copper pipes, communication cable, drain hose, wall sleeve, and protective cover, making it a complete installation solution.

3.What size HVAC system is this kit suitable for?

This size (1/4" + 1/2") is commonly used for 1.5 to 2.0 ton systems, such as 12000–18000 BTU mini split air conditioners.

4.Why choose a pre-insulated installation kit instead of separate components?

Pre-insulated kits save installation time, ensure consistent insulation quality, reduce labor costs, and minimize the risk of installation errors.

5.Is this HVAC installation kit suitable for outdoor use?

Yes, the UV-resistant insulation protects the copper pipes from sunlight, weather, and environmental damage.

6.Can this kit be used for DIY installation?

Yes, the pre-flared copper pipes and included accessories make it suitable for experienced DIY users, although professional installation is recommended.

7.Does this copper pipe support modern refrigerants like R410A?

Yes, the copper tubing meets ASTM standards and supports high-pressure refrigerants such as R410A.

8.Can I customize this installation kit for my brand?

Yes, OEM and ODM services are available, including custom branding, insulation color, packaging, and specifications.