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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
Upgrade your HVAC installation projects with this premium 35 ft 1/4" x 3/8" AC Installation Kit, designed for mini split air conditioners, heat pumps, and ductless HVAC systems. Featuring pre-insulated copper tubing, pre-flared ends, and complete installation accessories, this kit delivers fast installation, energy efficiency, and long-lasting reliability.
The AC Installation Kit is twin already. So buy it now.
Complete Mini Split Installation Kit for Fast & Easy HVAC Installation
This all-in-one HVAC installation kit includes:
35 ft insulated copper line set (1/4" + 3/8")
Communication wire cable
3m drain hose
Wall sleeve pipe and cover
Essential installation accessories
Everything is pre-matched for convenient and professional mini split AC installation, helping contractors save time and labor costs.
99.9% Pure Copper Tubing for Superior Refrigerant Flow
Manufactured with ASTM B280 & C12200 standard copper, this HVAC copper line set provides:
Excellent thermal conductivity
High pressure resistance
Long service life
Corrosion protection
Stable refrigerant transmission
The seamless copper tube design ensures efficient cooling and heating performance for modern HVAC systems.
Pre-Flared Copper Ends with Nuts for Quick Installation
Both ends of the copper tubing are:
Pre-flared
Equipped with brass nuts
Ready for direct connection
This reduces installation complexity and helps HVAC technicians complete projects more efficiently while minimizing leakage risks.
Premium White PE & Black Rubber Insulation Options
Choose the insulation material based on your project requirements:
White PE Insulation
Lightweight and economical
UV-resistant outer layer
Available thickness: 8mm–25.4mm
Black Rubber Insulation
Better flexibility
Superior thermal insulation
Enhanced durability for demanding environments
Both insulation options help reduce energy loss and condensation.
Advanced Three-Layer Insulation Structure for Maximum Protection
The insulated copper line set features a high-performance 3-layer structure:
Outer Layer
UV-resistant embossed PE film with anti-aging and wear-resistant properties.
Middle Layer
High-density IXPE foam for thermal insulation, shock absorption, and moisture resistance.
Inner Layer
Closed-cell insulation structure with excellent airtightness and temperature resistance.
This design improves energy efficiency while protecting the copper tubing from harsh environmental conditions.
SGS Tested & Fire-Resistant HVAC Copper Pipe
Safety and compliance are essential for HVAC projects. This AC installation kit meets:
ASTM E84
UL94
ASTM D1056
ASTM G21
The insulation material offers flame-retardant performance with low smoke development, making it suitable for residential and commercial HVAC installations.
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
Ideal for 9000 BTU & 12000 BTU Mini Split Air Conditioners
The 1/4" + 3/8" copper line set is commonly used for:
0.75 Ton mini split systems
1 Ton air conditioners
9000 BTU systems
12000 BTU ductless mini splits
Compatible with most leading mini split AC brands and heat pump systems.
HVAC Installation Kit Designed for Residential & Commercial Applications
Suitable for:
Residential air conditioning
Commercial HVAC projects
Heat pump systems
VRF/VRV installations
Refrigeration systems
The 35 ft length provides flexibility for long-distance installations while reducing the need for additional joints.
OEM & ODM HVAC Copper Line Set Manufacturer
Dabund provides professional OEM/ODM services including:
Custom lengths
Customized insulation thickness
Private label packaging
Logo printing
Bulk order solutions
Ideal for wholesalers, distributors, importers, and HVAC contractors worldwide.
High Production Capacity & Reliable Global Supply
Why choose Dabund Pipe?
14+ years HVAC manufacturing experience
2 production factories
1,000,000 pcs monthly output
Fast sample delivery within 5 days
Stable international shipping support
A reliable HVAC parts supplier for long-term business cooperation.
AC Installation Kit
Size | Length | Insulation White PE | 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 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 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 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.
Aircon copper line set 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 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 This 35 ft Mini Split Installation Kit
Complete HVAC installation solution
High-purity seamless copper tubing
UV-resistant insulation
Pre-flared for fast installation
Fire-resistant and SGS tested
Compatible with modern refrigerants
Factory-direct competitive pricing
Perfect for professional HVAC installation projects requiring 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
What is included in a 35 ft AC installation kit?
A typical 35 ft AC installation kit includes insulated copper pipes, communication wire cable, drain hose, wall sleeve, wall cover, and installation accessories for mini split air conditioner systems.
What size air conditioner uses a 1/4" x 3/8" copper line set?
This copper line set size is commonly used for:
9000 BTU mini split systems
12000 BTU air conditioners
0.75–1 Ton HVAC units
It is one of the most popular sizes for residential ductless mini split systems.
Why is insulated copper tubing important in HVAC systems?
Insulated copper tubing improves HVAC efficiency by:
Reducing energy loss
Preventing condensation
Protecting refrigerant temperature stability
Extending system lifespan
Proper insulation also helps lower operating costs.
Are the copper pipe ends pre-flared?
Yes, both ends are pre-flared and equipped with nuts, allowing fast and convenient installation without additional flaring tools.
What insulation materials are available for HVAC copper pipes?
The most common insulation materials include:
White PE insulation
Black rubber insulation
Both offer thermal protection, moisture resistance, and UV durability.
Is this HVAC installation kit compatible with R410A refrigerant?
Yes, the copper tubing meets ASTM B280 standards and is suitable for high-pressure refrigerants including R410A systems.
Can I customize the HVAC installation kit?
Yes, OEM and ODM customization services are available, including:
Custom lengths
Insulation thickness
Logo printing
Customized packaging
This is ideal for distributors and HVAC brands.
What certifications should HVAC copper pipes have?
Reliable HVAC copper tubing should comply with:
ASTM B280
UL94
ASTM E84
SGS testing standards
These certifications ensure safety, quality, and long-term durability.
How long does insulated copper tubing last?
High-quality insulated copper pipes can typically last 15–20 years or longer with proper installation and maintenance.
Why choose Dabund as an HVAC installation kit supplier?
Dabund offers:
Factory-direct pricing
Large production capacity
Strict quality control
OEM/ODM customization
Global export experience
Making it a trusted supplier for HVAC contractors and wholesalers worldwide.
