Looking for a complete HVAC installation kit that simplifies your air conditioning setup? This 50 ft 3/8" x 3/4" split system air conditioner installation kit is designed for efficient installation, reliable refrigerant flow, and long-term performance.
Ideal for residential and commercial HVAC systems, this all-in-one kit reduces installation time while ensuring professional-grade results.
Product Overview – All-in-One HVAC Installation Kit for Split Air Conditioning Systems
This installation kit includes a pre-insulated copper line set (liquid + suction line) along with essential accessories such as:
Everything you need in one package—no more missing components during installation.
Key Features of 50 ft 3/8" x 3/4" Installation Kit
Complete HVAC Installation Solution
Unlike standard line sets, this kit is fully integrated, reducing:
Installation time
Material sourcing effort
On-site errors
All essential components are included to streamline HVAC installation projects.
99.9% Pure Copper for Superior Performance
Manufactured using high-purity copper (C12200), ensuring:
Think of it as the core performance driver of your HVAC system.
ASTM B280 Certified Copper Tubing
This copper line set meets:
Ensuring durability and safe operation under high-pressure conditions.
High Pressure Rating (2100–7000 PSI)
Compatible with modern refrigerants such as:
This high-pressure tolerance ensures safe and leak-free performance even in demanding environments.
Standard Size for Medium-to-Large HVAC Systems
Suitable for:
24,000 – 36,000 BTU systems
Residential & light commercial HVAC
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.

Pre-Flared Ends with Nuts for Easy Installation
Both copper pipe ends come:
Pre-flared
Equipped with nuts
This significantly reduces installation time and improves sealing reliability.
Advanced Insulation Technology for Maximum Efficiency
UV-Resistant & Flame-Retardant Insulation
The insulation meets global standards:
ASTM E84
UL94
ASTM D1056
ASTM G21
Operating temperature range: -40°C to 120°C, suitable for harsh environments.
Multi-Layer Insulation Structure
Outer Layer: UV-resistant protective film
Middle Layer: High-density foam insulation
Inner Layer: Closed-cell moisture barrier
Works like a thermal shield, maintaining system efficiency.
Condensation & Energy Loss Prevention
This insulation helps:
Result? Lower operating costs and longer system lifespan.
What’s Included in the Installation Kit
This all-in-one kit typically includes:
50 ft insulated copper line set (3/8" + 3/4")
Communication/control wire
Drain hose (approx. 3m)
Wall pipe sleeve & decorative cover
Flared nuts and fittings
Designed to cover most standard HVAC installation scenarios.
Applications – Where This Installation Kit Is Used
Residential Split Air Conditioning Systems
Perfect for home installations requiring reliable performance.
Commercial HVAC Systems
Suitable for:
HVAC Replacement & Upgrade Projects
Ideal for replacing outdated or damaged line sets with a complete solution.
Technical Specifications
Product Name: Split AC Installation Kit
Size: 3/8" + 3/4"
Length: 50 ft (15.24 m)
Material: 99.9% Pure Copper
Standard: ASTM B280 / C12200
Pressure Rating: 2100–7000 PSI
Temperature Range: -40°C to 120°C
Insulation: PE / Rubber Foam
Application: HVAC & Refrigeration

Split System Air Conditioner 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 Split System Air Conditioner 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.
Split System Air Conditioner Installation Kit 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 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.
Split System Air Conditioner Installation Kit 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 Split 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.
Split 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 Split System Air Conditioner 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 Mini Split Air Conditioner Kit apply for 72K - 96K ductless mini split air conditioner.
Why Choose This Installation Kit from a Professional Supplier?
15+ Years HVAC Manufacturing Experience
Produced by a specialized manufacturer with:
In-House Insulation Production
Ensures:
OEM & Custom Branding Available
We support:
Perfect for distributors and wholesalers.
Strong Global Supply Capability
Installation Tips for Best Performance
Plan Installation Path Carefully
Avoid unnecessary bends to maintain refrigerant efficiency.
Maintain Proper Bend Radius
Sharp bends can damage copper tubing and restrict flow.
Keep Pipe Ends Clean & Sealed
Prevents contamination and moisture entry.
Ensure Proper Brazing & Connection
Leak-free joints are essential for long-term reliability.
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.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.What is included in an AC installation kit?
Typically includes copper line set, control wire, drain hose, and installation accessories.
8.What system capacity is this size suitable for?
Usually used for 24,000–36,000 BTU systems.
9.Is the copper pipe pre-flared?
Yes, both ends are pre-flared with nuts for easy installation.
10.Can this kit be used outdoors?
Yes, thanks to UV-resistant insulation.
11.Do you support OEM customization?
Yes, including branding and packaging customization.