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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
30 Ft 1/4" x 3/8" Mini Split Installation Kit
DABUND 30 ft 1/4" x 3/8" Mini Split Installation Kit combines pre-insulated copper refrigerant tubing with commonly required installation accessories for compatible ductless mini split air conditioners and heat pump systems.
The kit includes a 30 ft / approximately 9.14 m pair of 1/4" and 3/8" copper tubing, communication wire cable, a 3 m drain hose, wall pipe and wall cover. Both ends of the copper tubing are flared and supplied with nuts.
The copper tube outside diameters are approximately 6.35 mm and 9.52 mm. On compatible HVAC equipment, the 1/4" tube commonly functions as the liquid refrigerant line while the 3/8" tube functions as the suction or gas return line.
The displayed configuration uses White PE insulation. Black rubber insulation and multiple insulation thickness options are also available according to the ordered installation-kit configuration.
Quick Answer: This is a 30 ft / approximately 9.14 m mini split installation kit with 1/4" and 3/8" pre-insulated copper tubing, flared ends with nuts, communication cable, drain hose, wall pipe and wall cover for compatible HVAC installations.
Compatibility Notice: Confirm the required refrigerant pipe sizes, allowable piping length, connection type, communication cable requirements and condensate drain arrangement for the exact indoor and outdoor equipment model before installation.
What Is Included in the 30 Ft Mini Split Installation Kit?
| Insulated Copper Tubing | 1/4" + 3/8", 30 ft / approx. 9.14 m |
| Copper Tube Ends | Flared ends with nuts |
| Communication Cable | Included according to kit configuration |
| Drain Hose | 3 m |
| Wall Pipe | Included |
| Wall Cover | Included |
| Additional Accessories | According to the ordered installation-kit configuration |
30 Ft 1/4" x 3/8" Mini Split Kit Specifications
| Brand | DABUND |
| Product Type | Mini Split Installation Kit |
| Copper Tube Size | 1/4" + 3/8" |
| Metric Outside Diameter | Approx. 6.35 mm + 9.52 mm |
| Common Line Function | 1/4" liquid line + 3/8" suction/gas line on compatible equipment |
| Length | 30 ft / approx. 9.14 m |
| Copper Material | High-purity copper / C12200 DHP according to specification |
| Copper Tube Standard | ASTM B280 specification available |
| Displayed Insulation | White PE insulation |
| White PE Thickness Options | 8 mm / 9 mm / 10 mm / 13 mm / 19 mm / 25.4 mm according to configuration |
| Black Rubber Options | 13 mm / 17 mm / 19 mm / 25.4 mm according to configuration |
| Drain Hose | 3 m |
| Applications | Compatible ductless mini split AC and heat pump installations |
| OEM / ODM | Available according to ordered kit configuration |
Key Features of the 30 Ft Mini Split Installation Kit
Pre-Insulated 1/4" x 3/8" Copper Line Set
The installation kit includes paired 1/4" and 3/8" refrigerant copper tubing. On compatible equipment, the 1/4" tube commonly serves as the liquid line while the 3/8" tube commonly serves as the suction or gas return line.
30 Ft / 9.14 m Installation Length
The 30 ft copper line provides approximately 9.14 m of refrigerant piping, making this configuration useful for compatible installations where 20 ft or 25 ft kits do not provide enough routing distance.
Pre-Flared Ends With Copper Nuts
Both ends of the copper tubing are supplied with flared connections and nuts, reducing field preparation where the flare dimensions and connection design match the HVAC equipment.
Communication Wire Cable Included
Communication wire cable is included according to the selected kit configuration. Confirm conductor count, wire size and connection requirements against the equipment wiring diagram before installation.
Drain Hose, Wall Pipe and Wall Cover
A 3 m drain hose, wall pipe and wall cover are included to support condensate drainage and routing of piping and wiring through the building wall according to the selected kit configuration.
White PE Insulation
The displayed configuration uses White PE insulation around the copper tubing. The insulation helps reduce unwanted heat transfer, moisture penetration and physical contact with the copper tubing during installation.
High-Purity Copper
White PE Insulated Pipe
Flared Ends With Nuts
White PE Insulation Structure
The displayed White PE insulation system uses a multi-layer construction designed to provide thermal insulation and surface protection around the copper refrigerant tubing.
Insulation Pipe Production
Insulated Pipe Warehouse
Inner Insulation Layer
Embossed PE Outer Layer
The outer layer uses embossed PE film designed to provide surface protection, wear resistance and resistance to outdoor aging conditions.
Dense-Cell Foam Middle Layer
The middle insulation layer uses dense-cell foam designed for thermal insulation, impact absorption and resistance to water penetration.
Closed-Cell Inner Layer
The inner insulation layer uses a closed-cell structure to support thermal insulation and air tightness around the copper tubing. Selected configurations are listed with a temperature range of approximately -40°C to 120°C.
Available Insulation Testing
Current product information references insulation testing related to ASTM E84, UL 94, ASTM D1056, ASTM G21, ASTM C1427 and UL 723 according to the selected insulation material and specification. Buyers should confirm the applicable documentation for the exact ordered configuration.
Why Choose a 30 Ft Complete Mini Split Installation Kit?
A complete mini split installation kit combines refrigerant copper tubing with commonly required accessories, helping HVAC distributors and installers source several installation components in one package.
Compared with purchasing only an insulated copper line set, this kit also includes communication cable, drain hose, wall pipe and wall cover according to the selected configuration.
The 30 ft / approximately 9.14 m configuration provides greater routing flexibility than 20 ft or 25 ft kits for compatible installations where indoor and outdoor equipment are positioned farther apart.
30 Ft Mini Split Installation Considerations
Verify the Required 1/4" x 3/8" Pipe Sizes
Confirm that the exact indoor and outdoor HVAC equipment requires approximately 6.35 mm and 9.52 mm outside-diameter refrigerant tubing. Similar-capacity systems can require different piping dimensions.
Confirm the 30 Ft Piping Length
Verify that approximately 30 ft / 9.14 m is suitable for the planned refrigerant piping route and falls within the minimum and maximum piping limits specified by the HVAC equipment manufacturer.
Check the Pre-Flared Connections
The copper tubing is supplied with flared ends and nuts. Installers should confirm flare dimensions, connection size and flare condition before final assembly.
Verify Communication Cable Requirements
Electrical and communication requirements vary between mini split systems. Confirm conductor count, wire size and connection requirements against the equipment wiring diagram.
Plan the Condensate Drain Route
The kit includes a 3 m drain hose. Confirm that the supplied drain hose length is suitable for the installation or determine whether additional drainage components are required.
Check Refrigerant Charging Requirements
Some HVAC systems include a factory refrigerant charge for a specified standard piping length. Follow the equipment manufacturer's instructions to determine whether refrigerant adjustment is required for a 30 ft installation.
Avoid Unnecessary Excess Copper Tubing
Select a kit length that provides enough routing distance without creating unnecessary excess refrigerant piping. Follow the equipment manufacturer's requirements when routing any additional tubing length.
Is 1/4" x 3/8" Compatible With My Mini Split?
The 1/4" x 3/8" refrigerant piping combination is used by selected ductless mini split air conditioners and heat pump systems.
Some systems in approximately 9,000–12,000 BTU classes may use these dimensions, but this is not a universal sizing rule.
Equipment with similar nominal capacity can require different liquid-line and suction-line dimensions. Always verify the piping specification for the exact equipment model.
Available Mini Split Installation Kit Sizes
| Size | Length Options | White PE Insulation | Flame-Resistant Options |
| 1/4 + 3/8 | Current SKU: 30 ft / approx. 9.14 m; broader kit options include 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 |
Mini Split Installation Kits for HVAC Distributors
DABUND supplies mini split installation kits to HVAC distributors, wholesalers, importers, contractors, project suppliers and private-label brands.
The 30 ft 1/4" x 3/8" White PE configuration combines refrigerant copper tubing and commonly required installation accessories for compatible installations requiring approximately 9.14 m of routing distance.
OEM and Custom Mini Split Installation Kits
DABUND supports OEM and ODM supply according to the required mini split installation-kit configuration.
Custom copper tube combinations
Custom line-set lengths
White PE or black rubber insulation options
Multiple insulation thicknesses
Communication cable configuration
Drain hose and wall-accessory configuration
Printed product identification
Private-label packaging
Why Choose DABUND Mini Split Installation Kits?
HVAC Manufacturing Experience Since 2008
DABUND has manufactured HVAC components since 2008, supplying mini split installation kits, insulated copper tubing, line sets and related HVAC products to international customers.
Complete Kit Configuration
Copper tubing, communication cable, drain hose, wall pipe and wall cover can be supplied as one installation-kit configuration for HVAC distributors and installers.
Multiple Sizes and Lengths
Multiple copper tube combinations, kit lengths and insulation options allow buyers to select configurations according to their equipment and market requirements.
DABUND Factory
DABUND manufactures insulated copper pipe, mini split line sets, installation kits and related HVAC components for international B2B customers.
SGS Testing and Insulation Standards
Current product information references insulation testing related to ASTM E84, UL 94, ASTM D1056 and ASTM G21, while copper tubing is available to ASTM B280 and C12200 specifications. Buyers should confirm applicable documentation for the exact ordered configuration.
International HVAC Exhibitions
DABUND participates in international HVAC exhibitions to present mini split installation kits, insulated copper tubing and related HVAC products to distributors, importers and professional buyers.
Frequently Asked Questions
What is included in the 30 ft mini split installation kit?
The current product information lists a 30 ft 1/4" x 3/8" insulated copper line set, communication wire cable, 3 m drain hose, wall pipe and wall cover, together with additional accessories according to the selected kit configuration.
How long is the copper line set?
The copper refrigerant line set is 30 ft long, equivalent to approximately 9.14 m.
What are the metric sizes of 1/4" and 3/8" copper tubing?
A 1/4" copper tube has an outside diameter of approximately 6.35 mm, while a 3/8" copper tube has an outside diameter of approximately 9.52 mm.
Are the copper tubing ends already flared?
Yes. The current product information states that both ends of the copper tubing are flared and supplied with nuts.
Which tube is normally the liquid line and which is the suction line?
On compatible HVAC systems, the 1/4" tube commonly functions as the liquid line while the 3/8" tube functions as the suction or gas line. Always verify the equipment manufacturer's piping specification.
What mini split capacity uses a 1/4" x 3/8" line set?
Some systems in approximately 9,000–12,000 BTU classes may use this pipe combination, but this is not universal. Similar-capacity equipment can require different refrigerant pipe dimensions.
Can I select the installation kit by BTU capacity alone?
No. Confirm refrigerant tube dimensions, connection type, allowable piping length, electrical requirements and condensate drain configuration for the exact HVAC model.
When should I choose a 30 ft mini split installation kit?
A 30 ft kit can be useful where 20 ft or 25 ft installation kits are too short and the equipment layout requires approximately 9.14 m of refrigerant piping, provided that the HVAC manufacturer permits this length.
Is a 30 ft line set suitable for every mini split?
No. Verify that approximately 30 ft / 9.14 m falls within the minimum and maximum refrigerant piping limits specified by the equipment manufacturer.
Does a 30 ft line set require additional refrigerant?
It depends on the equipment. Some systems include a factory refrigerant charge for only a specified standard piping length. Follow the manufacturer's charging instructions for the exact model.
What insulation is used on this installation kit?
The displayed product configuration uses White PE insulation. Black rubber insulation is also available according to the ordered kit specification.
What White PE insulation thicknesses are available?
Current product information lists White PE insulation thickness options including 8 mm, 9 mm, 10 mm, 13 mm, 19 mm and 25.4 mm according to configuration.
Is black rubber insulation also available?
Yes. Black rubber insulation options are also available according to the selected installation-kit configuration.
How long is the included drain hose?
The current product information lists a 3 m drain hose.
Can DABUND customize the mini split installation kit?
Yes. OEM and ODM configurations can include different copper tube sizes, kit lengths, insulation options, printed identification and installation accessories according to buyer requirements.
Can I get samples before placing a bulk order?
Yes. According to the current product information, DABUND can provide three sample pieces for evaluation, with the buyer covering express shipping costs. View sample information.
What payment terms are available?
Available payment methods can include T/T, L/C at sight and credit card. Final payment terms depend on the commercial agreement.
What delivery terms are available?
International trade terms can include EXW, FOB, CFR and CIF according to the buyer's logistics requirements.
What is the typical delivery time?
Current product information lists typical delivery at approximately 15–20 days. Actual lead time depends on order quantity, product specification, customization and production schedule.
Who should install a mini split installation kit?
Refrigerant piping connections, electrical wiring, pressure testing, evacuation, refrigerant charging and condensate drainage should be completed by qualified HVAC personnel according to local requirements and the equipment manufacturer's instructions.
