Home Mini Split Installation Kit Mini Split Air Conditioner Kit 50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
50 ft 3/8" x 3/4" Mini Split Air Conditioner Installation Kit – Complete HVAC Line Set Solution Supplier
1.Mini Split Installation Kit including one set air conditioner insulated copper pipe, size 3/8"+3/4" 50 ft, and other accessories, like communication wire cable, drain hose 3m, wall pipe and cover and the other necessary parts. 
2. Both of the two copper pipe end do flaring and nuts. 
3. The insulation we can offer White PE and Black Rubber. White PE thickness is 3/8" 1/2" 3/4" 1" or 8mm 9mm 10mm 13mm 19mm 25.4mm. Black Rubber thickness is 1/2" 3/4" 1" or 13mm 17mm 19mm 25.4mm. 
4. For the AC Installation kit, most popular size is 3m 4m and 5m. Europe want 6m 7m 8m 10m. 
5. For the insulation we have SGS test report including ASTM E 84, UL 94, ASTM D1056, ASTM G 21, and copper pipe meets ASTM B280 AND C12200. 
6.Professional manufacturer of Mini Split Installation Kit, 2 factories, 1,000,000PCS per month, 5days for sample and 14years' experience.
  • DBJ-003

  • DABUND

  • Copper

  • 1M - 10M

Material

99.9% pure copper

Color

Black/White

Keywords

Mini Split Air Conditioner Kit

Application

HVAC
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Looking for a complete and ready-to-install HVAC solution?
The Dabund brand 50 ft 3/8" x 3/4" mini split air conditioner installation kit provides everything you need for fast, efficient, and professional AC installation.

Designed for medium-to-large capacity systems, this kit combines high-quality insulated copper tubing with essential installation accessories, ensuring convenience, reliability, and performance.




What Is a Mini Split Installation Kit?

A mini split installation kit is a complete package used to install ductless air conditioning systems. It typically includes:

  • Insulated copper line set

  • Communication wire

  • Drain hose

  • Wall sleeve and cover

It simplifies installation by providing all essential components in one package.


Why Choose Dabund Brand Mini Split Installation Kit?

 ✔ 17+ Years HVAC Manufacturing Experience

Dabund has been manufacturing HVAC components since 2008, delivering reliable quality and global supply capabilities.

✔ Complete One-Stop Solution

  • Reduces sourcing complexity

  • Saves time and labor costs

  • Ensures compatibility between components

✔ Designed for Professional Installers

Built to meet the needs of HVAC technicians, contractors, and distributors.

What Makes a High-Quality Mini Split Installation Kit?

A premium installation kit should include:

  • High-purity copper tubing (≥99.9%)

  • Durable insulation with UV resistance

  • Complete accessory set

  • Easy-to-install design

  • Compatibility with standard HVAC systems

Dabund kits are engineered for efficiency, durability, and ease of installation.


ALL COPPER PIPE

99.9% Pure Copper

black rubber insulated pipe2

Black Rubber Insulated Pipe


ac copper pipe kit65

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.


black rubber1


Key Features of Dabund 50 ft Mini Split Installation Kit

High-Quality Copper Line Set (3/8" + 3/4")

  • 3/8" liquid line

  • 3/4" suction line

  • 50 ft length for extended installations

Ideal for medium-to-large HVAC systems.


Multi-Layer Insulated Copper Tubing

  • UV-resistant outer layer

  • High-density foam insulation

  • Closed-cell inner structure

Ensures thermal efficiency and long-term durability.


Complete Installation Accessories Included

  • Communication wire

  • Drain hose

  • Wall sleeve

  • Decorative cover

Provides a ready-to-install solution, reducing additional purchases.


High Pressure & Temperature Resistance

  • Pressure rating: 2100–7000 PSI

  • Temperature range: -40°C to 120°C

Suitable for modern refrigerants and extreme environments.

Best Line Set Size for 3–5 Ton Mini Split Systems

The 3/8" x 3/4" line set is typically used for:

  • 3–5 ton systems

  • 36,000–60,000 BTU air conditioners

Ideal for larger residential and light commercial HVAC installations.


Applications of Dabund Mini Split Installation Kit

Ductless Mini Split Systems

Perfect for residential and commercial installations.

Heat Pump Systems

Ensures efficient heating and cooling transfer.

Commercial HVAC Projects

Suitable for medium-to-large capacity systems.

Why Installation Kits Improve HVAC Efficiency

Using a complete installation kit helps:

  • Reduce installation errors

  • Ensure component compatibility

  • Improve system efficiency

  • Save time and labor costs

A complete kit ensures a smoother and more reliable installation process.


Technical Specifications

ParameterDetails
BrandDabund
Product NameMini Split Installation Kit
Line Set Size3/8" + 3/4"
Length50 ft
Material99.9% Pure Copper
InsulationPE / Rubber
Pressure Rating2100–7000 PSI
Temperature Range-40°C to 120°C
ApplicationHVAC / Air Conditioning


Black rubber copper pipe kit


Mini Split Air Conditioner 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 Mini split air conditioner kit used for 0.75TON - 1.0TON mini split air conditioner.

1/4 + 1/2 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 Insulated copper pipe 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.

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 Mini split air conditioner 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.


Aircon copper line set 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 Mini split air conditioner 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.



How to Choose the Right Mini Split Installation Kit Supplier

When selecting a supplier, consider:

  • Manufacturing experience

  • Product quality and certifications

  • Complete accessory availability

  • Customization capability

  • Delivery reliability

Dabund brand advantages:

  • Factory-direct pricing

  • Strict quality control

  • OEM & ODM support

  • Reliable global shipping


Dabund Manufacturing Advantages

Large Production Capacity

  • 2 factories

  • High monthly output

  • Fast delivery timelines

OEM & ODM Customization

  • Custom branding

  • Tailored kit configurations

  • Packaging customization

Global Export Experience

Dabund supplies customers worldwide with stable quality and logistics support.

Why Global Buyers Choose Dabund HVAC Kits

Dabund is trusted because it offers:

  • Consistent product quality

  • Competitive factory pricing

  • Complete HVAC solutions

  • Reliable delivery

Helping buyers reduce procurement complexity and improve efficiency.


Packaging & Delivery

  • Standard export packaging

  • Custom packaging available

  • Delivery time: 15–20 days





DABUND FACTORY


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


Factory Profile



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


证书



Exhibition


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


TRADE SHOW PARTICIPATION


FAQ

1.Q:What is your payment terms?

A:TT,L/C AT SIGHT,CREDIT CARD etc


2.Q:What is your delivery terms?

A:EXW, FOB, CFR, CIF etc


3.Q:Are you trading company or manufacturer?

A:Manufacturer


4.Q:May I get a sample?

A:Yes, we can send you 3pieces free samples.

   You just charge for the express cost is ok.


5.Q:Can I print my logo?

A:Yes of cause, we accept OEM and ODM.


6.Q:How long is your delivery time?

A:Usually 15-20days, if urgent, we can arrange to do in advance and delivery fast.


7.Q: What system is this kit suitable for?
A: Suitable for 3–5 ton (36,000–60,000 BTU) mini split systems.


8.Q: Does this kit include all installation components?
A: Yes, it includes copper tubing, wire, drain hose, and accessories.


9.Q: Is the copper tubing pre-insulated?
A: Yes, it features multi-layer insulation for thermal efficiency.


10.Q: Can I customize the kit?
A: Yes, Dabund supports OEM & ODM customization.


Related Products

1. 3/8" x 7/8" x 50 ft is the out dimension in inch. 9.52mm - 22.22mm is the out dimension in metric. 2. 99.9% Pure copper pipe meets ASTM B280 and C12200 standard.  3. AC Copper Size what we can do have following 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1 1/8", length can do 15m 20m 25m 30m 50m.  4. Insulation is made of 1/2" Polypropylene & UV Resistant, meets ASTM E 84, UL94, ASTM D1056 and ASTM G 21. Working temperature from -40℃ to 120℃.  5. Works for every Air Conditioning & Refrigeration Application including Ductless mini-split, heat pump and Centralized Air Ducted Units.  6. Pressure Rating: 2100 to 7000 PSI, much more than required 700 PSI for R410.  7. Insulation we produce by ourself, can print your company name, size, meters etc.
1. 1/4" x 1/2" is the out dimension in inch. 6.35mm - 12.7mm is the out dimension in metric. 2. 99.9% Pure copper pipe meets ASTM B280 and C12200 standard.  3. AC Copper Size what we can do have following 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1 1/8", length can do 15m 20m 25m 30m 50m.  4. Insulation is made of 1/2" Polypropylene & UV Resistant, meets ASTM E 84, UL94, ASTM D1056 and ASTM G 21. Working temperature from -40℃ to 120℃.  5. Works for every Air Conditioning & Refrigeration Application including Ductless mini-split, heat pump and Centralized Air Ducted Units.  6. Pressure Rating: 2100 to 7000 PSI, much more than required 700 PSI for R410.  7. Insulation we produce by ourself, can print your company name, size, meters etc.
1. 1/2" x 3/4" is the out dimension in inch. 12.7mm - 19.05mm is the out dimension in metric. 2. 99.9% Pure copper pipe meets ASTM B280 and C12200 standard.  3. AC Copper Size what we can do have following 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1 1/8", length can do 15m 20m 25m 30m 50m.  4. Insulation is made of 1/2" Polypropylene & UV Resistant, meets ASTM E 84, UL94, ASTM D1056 and ASTM G 21. Working temperature from -40℃ to 120℃.  5. Works for every Air Conditioning & Refrigeration Application including Ductless mini-split, heat pump and Centralized Air Ducted Units.  6. Pressure Rating: 2100 to 7000 PSI, much more than required 700 PSI for R410.  7. Insulation we produce by ourself, can print your company name, size, meters etc.
1.1/4" x 1/2" is the out dimension in inch. 6.35mm - 12.7mm is the out dimension in metric. 2. 99.9% Pure copper pipe meets ASTM B280 and C12200 standard.  3. AC Copper Size what we can do have following 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1 1/8", length can do 15m 20m 25m 30m 50m.  4. Insulation is made of 1/2" Polypropylene & UV Resistant, meets ASTM E 84, UL94, ASTM D1056 and ASTM G 21. Working temperature from -40℃ to 120℃.  5. Works for every Air Conditioning & Refrigeration Application including Ductless mini-split, heat pump and Centralized Air Ducted Units.  6. Pressure Rating: 2100 to 7000 PSI, much more than required 700 PSI for R410.  7. Insulation we produce by ourself, can print your company name, size, meters etc.

Where is the AC Pipe, there is the Dabund Pipe.

We help you avoid the pitfalls to deliver the quality and value your HVAC&R products needs, on-time and on-budget.
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