25 ft 1/4" x 5/8" AC Installation Kit – Complete Mini Split HVAC Line Set

This 25 ft 1/4" x 5/8" AC installation kit is a complete solution for mini split and HVAC system installation. It includes pre-insulated copper tubing and all essential accessories, ensuring fast installation, reliable refrigerant flow, and long-term durability for residential and commercial applications.

Complete AC Installation Kit – All-in-One HVAC Solution

This mini split installation kit includes:

• 25 ft insulated copper line set (1/4" liquid + 5/8" suction)

• Communication wire cable

• 3m drain hose

• Wall sleeve & decorative cover

• Pre-flared ends with nuts

It provides everything required for efficient AC installation without sourcing extra components.

Key Features of 1/4" x 5/8" AC Installation Kit

99.9% Pure Copper for High Efficiency

Manufactured with ASTM B280 & C12200 compliant copper, ensuring excellent thermal conductivity, corrosion resistance, and long service life.

Pre-Flared Ends for Easy & Leak-Free Installation

Both pipe ends are factory-flared with nuts, reducing installation complexity and minimizing refrigerant leakage risk.

Dual Insulation Options for Different Environments

Available insulation types:

• White PE insulation (multi-thickness options)

• Black rubber insulation (flexible & durable)

Designed for optimal thermal protection and adaptability across climates.

Flame-Retardant & UV-Resistant Insulation

Insulation materials meet international standards:

• ASTM E84

• UL94

• ASTM D1056

• ASTM G21

Providing enhanced fire safety, UV resistance, and long-term outdoor durability.

Technical Specifications

Copper Pipe Size & Length

• Liquid Line: 1/4 inch (6.35 mm)

• Suction Line: 5/8 inch (15.88 mm)

• Length: 25 ft (7.6 m)

Insulation & Performance

• Insulation Material: PE / Rubber Foam

• Temperature Range: -40°C to 120°C

• Moisture-proof and condensation-resistant design

Compliance Standards

• ASTM B280 (Copper tubing)

• ASTM E84 (Fire performance)

• UL94 (Flame resistance)

Ensuring safety, performance, and HVAC compatibility.

Applications – Ideal for Mini Split & HVAC Systems

This AC installation kit is widely used in:

• Mini split air conditioners

• Heat pump systems

• Residential HVAC installations

• Commercial cooling systems

It is especially suitable for 2–2.5 ton (24,000–30,000 BTU) air conditioning systems.

99.9% Pure Copper

Black Rubber Insulated Pipe

Flaring

Features of pipe insulation tubing:

● Pipe Insulation, Material Black Rubber, Temp Range -40 Degrees to 120 Degrees.

● The pipe insulation has a better function of moisture condensation. Insulation material is both the insulation layer and moisture-proof layer.

● There is no need to drop the water vapor permeation protective layer so that it has a better moisture condensation function.

Benefits of Using a Complete AC Installation Kit

Faster Installation

All components are included, reducing setup time and labor costs.

Improved System Efficiency

Pre-insulated copper tubing minimizes energy loss and enhances cooling performance.

Reduced Risk of Installation Errors

Matched components ensure compatibility and reduce installation mistakes.

Long-Term Durability

High-quality copper and insulation materials ensure long service life.

H2: OEM & Customization Services

We provide flexible OEM/ODM solutions:

• Custom lengths (3m–10m or more)

• Insulation thickness & material customization

• Logo printing & branded packaging

• Bulk supply for distributors and contractors

AC Installation Kit

1/4 + 3/8 AC Installation Kit used for 0.75TON - 1.0TON mini split air conditioner.

1/4 + 1/2 All Insulated Copper Line Set used for 1.5TON - 2.0TON mini split air conditioning.

1/4 + 5/8 Insulated Copper Piping 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 Air Conditioner Kit used for 2P and 2.5air conditioner system.

3/8 + 5/8 Mini-split copper line set 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 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 Insulated copper line set 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 AC Installation Kit used for 54000 BTU and 72000 split air conditioner installation.

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

AC Installation Kit 1/4 + 3/8 used for 9K and 12K split air conditioner.

High quality copper line set 1/4 + 1/2 commonly used for 12K and 18K mini split air conditioners.

1/4 + 5/8 Insulated copper line set 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 Mini Split Air Conditioner Kit apply for 72K - 96K ductless mini split air conditioner.

Why Choose 25 ft 1/4" x 5/8" AC Installation Kit from DABUND PIPE

We are manufacturer of mini split air conditioner kit since 2008 years, have good experience of producing and exporting. We have cooperated 9 years forwarder, can guarantee the shipment. Every week we load at least 6-8 40HQ to different countries. Choose Dabund You will win the business.

Individual pre-insulated rolls to perfectly fit every ductless mini-splits, VRF, heat pumps and unitary systems installation.

Quality products with competitive pricing

Peace of mind with professional services

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 included in a 25 ft AC installation kit?

It typically includes insulated copper pipes, communication wire, drain hose, wall sleeve, and necessary installation accessories for a complete HVAC setup.

2.What size air conditioner uses a 1/4" x 5/8" line set?

This size is commonly used for 2–2.5 ton (24,000–30,000 BTU) mini split air conditioning systems.

3.Why choose a pre-flared copper line set?

Pre-flared ends simplify installation, reduce labor time, and help prevent refrigerant leaks.

4.What is the benefit of insulated copper pipes?

Insulation reduces heat loss, prevents condensation, and improves overall HVAC efficiency.

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

Yes, the insulation is UV-resistant, flame-retardant, and designed for outdoor environments.

6.Can this kit be used for heat pump systems?

Yes, it is compatible with both mini split air conditioners and heat pump systems.

7.What standards does this copper tubing meet?

It complies with ASTM B280, UL94, ASTM E84, and other international standards for safety and durability.

8.Can I customize the AC installation kit?

Yes, OEM services are available, including custom length, insulation type, branding, and packaging.

9.Why use a complete installation kit instead of separate components?

A complete kit ensures compatibility, reduces sourcing time, and improves installation efficiency.