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DBJ-003
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DABUND
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Copper
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1M - 10M
Material
Color
Keywords
Application
This premium 35 ft 1/4" x 5/8" AC Installation Kit is designed for professional HVAC installations requiring efficient refrigerant flow, durable insulation, and easy installation. Featuring high-purity copper tubing, UV-resistant insulation, and pre-flared ends, this mini split installation kit is ideal for residential and commercial ductless air conditioning systems.
Complete HVAC Installation Kit for Mini Split Air Conditioners
This all-in-one mini split installation kit includes:
35 ft insulated copper line set (1/4" + 5/8")
Communication wire cable
Drain hose
Wall sleeve pipe
Decorative wall cover
Essential installation accessories
The complete accessory package simplifies HVAC installation and helps technicians save time on the job site.
99.9% Pure Copper Tubing for Reliable HVAC Performance
Manufactured using ASTM B280 & C12200 seamless copper tubing, this HVAC line set provides:
Excellent thermal conductivity
High-pressure resistance
Superior corrosion protection
Stable refrigerant transmission
Long service life
The seamless copper design reduces leakage risks and improves air conditioning system efficiency.
1/4" + 5/8" Copper Line Set for 18000–24000 BTU Systems
This line set size is commonly used for:
1.5 Ton mini split systems
2 Ton ductless air conditioners
18000 BTU HVAC systems
24000 BTU heat pump systems
Perfect for residential and light commercial HVAC applications requiring efficient refrigerant flow.
Pre-Flared Copper Pipe Ends for Faster Installation
Both ends of the copper tubing are:
Pre-flared
Equipped with brass nuts
Ready for direct connection
This design helps reduce installation time while minimizing refrigerant leakage risks during HVAC installation.
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.
High-Performance PE & Rubber Insulation Options
The insulated copper tubing is available with:
White PE Insulation
Lightweight and economical
UV-resistant outer surface
Excellent moisture resistance
Black Rubber Insulation
Superior thermal insulation
Better flexibility
Enhanced durability for outdoor applications
Both insulation options help maintain refrigerant temperature stability and improve HVAC energy efficiency.
Advanced Three-Layer Insulation Structure for Maximum Protection
The insulation system features a durable multi-layer structure:
Outer Protective Layer
UV-resistant embossed PE film with anti-aging and wear-resistant properties.
Middle Insulation Layer
High-density IXPE foam providing heat preservation, sound absorption, and moisture resistance.
Inner Closed-Cell Layer
Airtight insulation structure designed for stable thermal performance from -40℃ to 120℃.
This structure ensures long-lasting protection for HVAC copper tubing in demanding environments.
Fire-Resistant & SGS Tested HVAC Copper Pipe
The insulation material complies with international testing standards including:
ASTM E84
UL94
ASTM D1056
ASTM G21
The flame-retardant insulation helps improve installation safety for residential and commercial HVAC systems.
Compatible with Modern HVAC Refrigerants Including R410A
This insulated copper line set is compatible with high-pressure refrigerants such as:
R410A
R32
R22
The high-pressure copper tubing design ensures safe and stable operation for modern air conditioning systems.
Flexible Copper Tubing for Easy HVAC Routing
The soft annealed copper tubing provides:
Easier bending during installation
Reduced installation difficulty
Better routing flexibility
Faster project completion
Ideal for mini split systems where installation space may be limited.
AC Installation Kit
Size | Length | Insulation Black Rubber | Flame Resistant |
1/4+3/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+1/2 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+5/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+5/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+3/4 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/2+3/4 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+7/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
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.
OEM & ODM HVAC Copper Line Set Manufacturer
Dabund provides professional OEM/ODM customization services including:
Custom copper tubing lengths
Insulation thickness customization
Private label packaging
Logo printing
Bulk order manufacturing
Perfect for HVAC distributors, importers, wholesalers, and contractors worldwide.
Large Production Capacity & Global Export Support
Why choose Dabund Pipe?
14+ years HVAC manufacturing experience
2 production factories
Monthly production capacity exceeding 1,000,000 pcs
Fast sample lead times
Reliable worldwide shipping support
Dabund is a trusted HVAC copper line set manufacturer serving global markets.
Why Choose This 35 ft AC Installation Kit
Complete HVAC installation solution
High-purity seamless copper tubing
UV-resistant insulated copper line set
Pre-flared for easy installation
Fire-resistant and SGS tested
Compatible with modern refrigerants
Factory-direct competitive pricing
An ideal solution for professional mini split HVAC installations requiring long-term durability and efficiency.
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 35 ft AC installation kit?
A standard 35 ft AC installation kit typically includes insulated copper tubing, communication wire cable, drain hose, wall sleeve, decorative wall cover, and installation accessories required for mini split HVAC installation.
2.What size air conditioner uses a 1/4" x 5/8" copper line set?
This copper line set size is commonly used for:
18000 BTU mini split systems
24000 BTU air conditioners
1.5–2 Ton HVAC systems
It is suitable for residential and light commercial ductless HVAC applications.
3.Why is insulated copper tubing important for HVAC systems?
Insulated copper tubing helps:
Reduce thermal energy loss
Prevent condensation
Improve HVAC efficiency
Maintain refrigerant temperature stability
Protect copper pipes from environmental damage
Proper insulation can improve long-term HVAC system performance and reduce operating costs.
4.Are the copper pipe ends pre-flared?
Yes, both ends are pre-flared and equipped with brass nuts, allowing faster installation and reducing the need for additional flaring tools.
5.What insulation materials are available for HVAC copper line sets?
Common insulation materials include:
White PE insulation
Black rubber insulation
Both provide thermal insulation, UV resistance, and moisture protection for HVAC applications.
6. Is this insulated copper tubing compatible with R410A refrigerant?
Yes, the copper tubing is compatible with modern refrigerants including:
R410A
R32
R22
The high-pressure design ensures safe refrigerant transmission in modern HVAC systems.
7.What certifications should HVAC copper tubing have?
Reliable HVAC copper tubing should comply with:
ASTM B280
UL94
ASTM E84
ASTM D1056
SGS testing standards
These certifications ensure safety, quality, and long-term reliability.
8.Can I customize the AC installation kit?
Yes, OEM and ODM customization services are available, including:
Customized lengths
Insulation thickness
Private label branding
Custom packaging
Suitable for HVAC wholesalers and distributors.
9.What are the advantages of seamless copper tubing in HVAC systems?
Seamless copper tubing offers:
Better pressure resistance
Reduced refrigerant leakage risks
Improved durability
Longer service life
Stable HVAC system performance
This makes it ideal for professional air conditioning installations.
10.Why choose Dabund as an HVAC copper line set supplier?
Dabund offers:
Factory-direct pricing
Large-scale manufacturing capacity
Strict quality control
OEM/ODM customization
Global export experience
Making it a reliable HVAC parts supplier for worldwide customers.
