-
DBJ-003
-
DABUND
-
Copper
-
1M - 10M
Material
Color
Keywords
Application
50 ft 3/8" x 3/4" Split System Air Conditioner Installation Kit
The DABUND 50 ft 3/8" x 3/4" split system air conditioner installation kit is a complete HVAC copper line set solution for split AC systems, ductless mini split systems, heat pumps, and refrigeration installations. It combines pre-insulated copper refrigerant lines with key installation accessories to support efficient installation, reliable refrigerant flow, and long-term HVAC performance.
This all-in-one HVAC installation kit is suitable for residential and light commercial projects where installers need a complete package, including copper line set, communication wire, drain hose, wall sleeve, decorative cover, and pre-flared copper pipe ends with nuts.
Product Overview – All-in-One HVAC Installation Kit for Split Air Conditioning Systems
This split system air conditioner installation kit includes a pre-insulated copper line set for liquid and suction lines, together with essential accessories required for a clean and professional HVAC installation.
50 ft insulated copper line set: 3/8" + 3/4"
Communication wire cable for indoor and outdoor unit connection
Drain hose for condensate discharge
Wall sleeve and decorative cover for neat wall penetration
Pre-flared copper pipe ends with nuts
Fittings and accessories for standard HVAC installation scenarios
Everything is supplied in one package to help reduce missing components, shorten preparation time, and improve installation consistency on job sites.
Key Features of 50 ft 3/8" x 3/4" Installation Kit
Complete HVAC Installation Solution
Unlike a basic copper line set, this kit is designed as a complete HVAC installation package. It helps reduce installation time, material sourcing effort, and on-site errors caused by missing accessories.
99.9% Pure Copper for Superior Performance
The copper tubing is manufactured using high-purity C12200 copper according to product specification. It supports excellent heat transfer, strong corrosion resistance, and long service life in HVAC and refrigeration systems.
Excellent thermal conductivity for stable cooling and heating performance
Corrosion-resistant copper tubing for long-term operation
Reliable refrigerant flow between indoor and outdoor units
ASTM B280 and C12200 Copper Tubing
The copper line set can meet ASTM B280 refrigeration tubing requirements and C12200 DHP copper grade according to product specification, supporting safe operation under demanding HVAC conditions.
High Pressure Rating for Modern Refrigerants
With a pressure rating range of 2100–7000 PSI according to specification, this HVAC copper line set can support modern refrigerants such as R410A and R32 when the pipe size, wall thickness, line length, and equipment requirements match.
Standard Size for Medium-to-Large HVAC Systems
Liquid line: 3/8" / 9.52 mm
Suction line: 3/4" / 19.05 mm
Length: 50 ft / 15.24 m
Application: split system air conditioners, mini split systems, heat pumps, and refrigeration systems
The final line set selection should always follow the HVAC equipment manufacturer’s installation manual, system capacity, refrigerant type, and permitted line length.
99.9% Pure Copper
Black Rubber Insulated Pipe
Pre-Flared Copper End
Features of Pipe Insulation Tubing
The black rubber insulation is designed for thermal protection, moisture condensation control, UV resistance, and long-term outdoor performance. The insulation material can function as both the thermal insulation layer and moisture-proof layer.
Material option: black rubber insulation
Temperature range: -40°C to 120°C
Moisture condensation protection
Thermal insulation and moisture-proof function in one structure
Pre-Flared Ends with Nuts for Easy Installation
Both copper pipe ends are pre-flared and equipped with nuts. This helps reduce installation time, improves fitting convenience, and supports secure refrigerant line connections when properly installed.
Advanced Insulation Technology for Maximum Efficiency
UV-Resistant and Flame-Retardant Insulation
The insulation can meet ASTM E84, UL94, ASTM D1056, and ASTM G21 requirements according to selected material specification. It is designed for harsh environments and supports a working temperature range from -40°C to 120°C.
Multi-Layer Insulation Structure
Outer layer: UV-resistant protective film
Middle layer: high-density foam insulation
Inner layer: closed-cell moisture barrier
This structure works as a thermal shield, helping maintain refrigerant temperature stability and improving HVAC system efficiency.
Condensation and Energy Loss Prevention
The insulation helps prevent moisture buildup, reduce heat loss, and improve energy efficiency. This supports lower operating cost and longer HVAC system service life when installed correctly.
What’s Included in the Installation Kit
This all-in-one split AC installation kit is configured to cover most standard installation scenarios for split system air conditioners and HVAC projects.
50 ft insulated copper line set: 3/8" + 3/4"
Communication / control wire
Drain hose, approximately 3 m according to kit configuration
Wall pipe sleeve and decorative cover
Flared nuts and fittings
Applications – Where This Installation Kit Is Used
Residential Split Air Conditioning Systems
This kit is suitable for residential split AC and ductless mini split installations requiring reliable refrigerant flow and clean wall penetration.
Commercial HVAC Systems
It can be used for offices, retail stores, small commercial buildings, and light commercial HVAC installations when the equipment specification requires a 3/8" x 3/4" line set.
HVAC Replacement and Upgrade Projects
The kit is also suitable for replacing outdated, damaged, or incomplete refrigerant line sets with a complete installation solution.
Technical Specifications
| Specification | Detail |
|---|---|
| Product Name | 50 ft 3/8" x 3/4" Split System Air Conditioner Installation Kit |
| Product Type | Complete HVAC copper line set solution |
| Copper Line Size | 3/8" + 3/4" / 9.52 mm + 19.05 mm |
| Length | 50 ft / 15.24 m |
| Material | 99.9% pure copper |
| Copper Standard | ASTM B280 / C12200 according to product specification |
| Pressure Rating | 2100–7000 PSI according to specification |
| Temperature Range | -40°C to 120°C |
| Insulation | PE / rubber foam insulation according to selected specification |
| Included Accessories | Communication wire, drain hose, wall sleeve, decorative cover, flared nuts, and fittings |
| Application | Split AC, mini split, heat pump, HVAC, and refrigeration systems |
Split System Air Conditioner Installation Kit Size Options
| 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 |
Line Set Size and HVAC Capacity Reference
| Line Set Size | Common Ton / HP Range | Common BTU Range | Typical Application |
|---|---|---|---|
| 1/4 + 3/8 | 0.75 ton – 1.0 ton / 0.75P – 1P | 9000–12000 BTU / 9K–12K | Small mini split air conditioner |
| 1/4 + 1/2 | 1.5 ton – 2.0 ton / 1.5P – 2P | 12000–18000 BTU / 12K–18K | Medium mini split air conditioner |
| 1/4 + 5/8 | 2.0 ton – 2.5 ton / 2P – 2.5P | 24000–30000 BTU / 24K–30K | Split AC and heat pump system |
| 3/8 + 5/8 | 3.0 ton – 4.0 ton / 3P – 4P | 36000–48000 BTU / 36K–48K | Ductless commercial air conditioner |
| 3/8 + 3/4 | 4.5 ton – 6.0 ton / 4.5P – 6P | 54000–72000 BTU / 54K–72K | Large split AC installation |
| 3/8 + 7/8 | 6.0 ton – 8.0 ton / 6P – 8P | 72000–96000 BTU / 72K–96K | High-capacity ductless HVAC system |
Why Choose This Installation Kit from DABUND?
15+ Years HVAC Manufacturing Experience
DABUND is a specialized HVAC parts manufacturer with extensive experience in insulated copper pipe, mini split line set, split AC installation kit, aluminum pipe, and HVAC accessories production.
In-House Insulation Production
In-house insulation production helps maintain consistent insulation quality, faster production timelines, and flexible custom branding options for distributors and wholesalers.
OEM and Custom Branding Available
DABUND supports logo printing on insulation, custom packaging, private label supply, and OEM / ODM customization for HVAC brands, distributors, and project buyers.
Strong Global Supply Capability
Weekly container shipments, reliable lead times, and scalable production capacity help support long-term HVAC copper line set supply for international customers.
Installation Tips for Best Performance
Plan the Installation Path Carefully
Avoid unnecessary bends to maintain refrigerant flow efficiency and reduce installation stress on copper tubing.
Maintain Proper Bend Radius
Sharp bends can damage copper tubing, restrict flow, and reduce HVAC system performance. Use appropriate bending tools when required.
Keep Pipe Ends Clean and Sealed
Keep copper pipe ends protected before connection to prevent dust, moisture, and contaminants from entering the refrigeration system.
Ensure Proper Flaring, Brazing, and Connection
Leak-free joints are essential for long-term reliability. Installation should follow HVAC equipment instructions and local HVAC codes.
DABUND Factory
We produce insulated copper pipe, mini split line set, aluminum pipe, and HVAC parts for global HVAC customers.
SGS Certificate
DABUND mini split line set insulation can be made of polypropylene or black rubber with UV resistance and can meet ASTM E84, UL94, ASTM D1056, and ASTM G21 standards according to product specification.
Exhibition
DABUND joins HVAC exhibitions worldwide to help customers evaluate mini split line sets, split AC installation kits, insulated copper pipes, and HVAC parts face to face.
FAQ
What is included in a split system air conditioner installation kit?
A split system air conditioner installation kit typically includes an insulated copper line set, communication wire, drain hose, wall sleeve, decorative cover, flared nuts, and installation fittings.
What does 3/8" x 3/4" mean?
It refers to the outer diameters of the two copper refrigerant lines. The 3/8" line is usually the liquid line, and the 3/4" line is usually the suction line, depending on system design.
What system capacity is this size suitable for?
According to the reference chart, 3/8" + 3/4" line sets are commonly used for 4.5–6.0 ton or 54,000–72,000 BTU split air conditioner installations. Final selection must follow the equipment manufacturer’s specifications.
Is the copper pipe pre-flared?
Yes. Both copper pipe ends are pre-flared and supplied with nuts to make installation easier and support reliable refrigerant line connections.
Can this kit be used outdoors?
Yes. The insulation is designed for UV resistance and outdoor durability when the selected insulation specification matches the project environment.
Is this kit compatible with R410A and R32 refrigerants?
Yes. The copper line set can support refrigerants such as R410A and R32 when pipe size, wall thickness, pressure rating, line length, and equipment requirements match.
Do you support OEM customization?
Yes. DABUND supports logo printing, custom insulation color, custom packaging, pipe marking, private label solutions, and OEM / ODM services for HVAC distributors and wholesalers.
What are your payment terms?
Payment terms can include TT, L/C at sight, credit card, and other agreed payment methods depending on order details and customer requirements.
What are your delivery terms?
Delivery terms can include EXW, FOB, CFR, CIF, and other international trade terms according to buyer logistics requirements.
Are you a trading company or manufacturer?
DABUND is a manufacturer of split AC installation kits, mini split line sets, insulated copper pipes, aluminum pipes, and HVAC parts.
Can I get a sample before bulk order?
Yes. DABUND can send 3 pieces of free samples. The buyer only needs to cover the express cost.
How long is your delivery time?
Normal delivery time is usually 15–20 days. For urgent orders, DABUND can arrange production and delivery in advance when capacity allows.
