100 ft 1/4" x 3/8" Mini Split Line Set Manufacturer | Bulk HVAC Copper Line Set Supplier

Factory Direct 100 ft Mini Split Line Set for Wholesale & HVAC Projects

This 100 ft 1/4" x 3/8" mini split line set is engineered for HVAC contractors, distributors, and bulk buyers who require consistent quality and reliable supply.

Manufactured from 99.9% pure copper, this insulated copper tubing ensures excellent thermal performance, high pressure resistance, and long-term durability.

✔ Ideal for large-scale HVAC installations
✔ Stable supply for distributors & wholesalers
✔ Competitive factory-direct pricing

 Technical Specifications for Bulk Buyers

• Size: 1/4" (liquid line) + 3/8" (suction line)

• Length: 100 ft (30 meters)

• Material: ASTM B280 / C12200 copper

• Insulation: UV-resistant PE / IXPE foam

• Temperature Range: -40°C to 120°C

• Working Pressure: Up to 7000 PSI

• Refrigerant Compatibility: R410A / R32

 Why Distributors & Contractors Choose Our Line Sets

Consistent Quality Across Every Batch

We implement strict quality control systems to ensure each line set meets international HVAC standards, reducing installation issues and after-sales risks.

Factory Direct Pricing – Increase Your Profit Margin

As a professional HVAC manufacturer, we eliminate middlemen and offer competitive bulk pricing, helping distributors stay competitive in their markets.

Fast Production & Reliable Delivery

• Short lead time for bulk orders

• Export-standard packaging

• Global shipping support (sea & air freight)

Designed for Large-Scale HVAC Applications

This HVAC copper line set is widely used in:

• Residential and commercial air conditioning systems

• Real estate and construction projects

• HVAC contractor installations

• Wholesale distribution channels

Perfect for long-distance installations requiring extended piping.

99.9% Pure Copper

Black Rubber Insulated Pipe

Plastic Cap

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.

OEM & Customization Services Available

We provide full OEM/ODM solutions to help you build your brand:

• Custom lengths (15m / 30m / 50m / 100ft+)

• Insulation thickness customization

• Logo printing on insulation

• Custom packaging design

✔ Support private label brands
✔ Ideal for importers and distributors

Cost-Saving Advantages for Bulk Buyers

Choosing our mini split line sets helps you reduce overall costs:

• Lower refrigerant leakage risk

• Faster installation time for contractors

• Energy-efficient insulation reduces energy loss

• Long service life minimizes replacement costs

Strict Quality Control & Certifications

• 100% pressure tested before shipment

• Manufactured according to ASTM standards

• Flame-retardant insulation materials

• Export-grade quality assurance

✔ Ensures safety, durability, and compliance in global markets

Packaging & Bulk Supply Details

• Coil packaging for easy handling

• Carton or pallet options available

• Optimized container loading

• Flexible MOQ for first-time buyers

Designed for efficient logistics and cost control

Mini Split Line Set

1/4 + 3/8 Mini split line set 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 Insulated copper line set 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 piping 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 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 line set used for 54000 BTU and 72000 split air conditioner installation.

3/8 + 7/8 Insulated copper piping 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 line set used for 54K and 72K split air conditioner installation.

3/8 + 7/8 Insulated copper pipe apply for 72K - 96K ductless mini split air conditioner.

 Who Is This Product For? 

This product is ideal for:

• HVAC importers

• Distributors and wholesalers

• Contractors and installers

• Engineering and construction companies

Suitable for both resale and project use

 Request a Quote – Fast Response Within 24 Hours

Looking for a reliable mini split line set manufacturer?

Send us your inquiry with:

• Required size & length

• Order quantity

• Customization needs

✔ Fast quotation within 24 hours
✔ Free samples available
✔ OEM branding supported

Contact us now to get factory pricing

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 your MOQ for bulk orders?

MOQ is flexible depending on specifications and customization requirements.

8.Can you print our logo on the insulation?

Yes, we provide full OEM branding including logo printing and packaging design.

9.What is your production lead time?

Typically 7–20 days depending on order volume.

10.Do you export worldwide?

Yes, we supply to North America, Europe, Southeast Asia, and other global markets.

11.Can I get samples before placing a bulk order?

Yes, we offer samples for quality evaluation.