Premium 50-foot insulated copper pipe designed for split air conditioner and heat pump refrigerant lines. Engineered for durability, energy efficiency, and corrosion resistance — ideal for HVAC professionals, contractors, and installers in the US and global markets.
The insulated copper pipe is twin already. So buy it now.
Product Overview – Insulated Copper Pipe for Split Air Conditioners
This 3/8 in × 7/8 in × 50 ft insulated copper pipe is a ready-to-install HVAC line set that combines quality copper tubing with protective insulation. Built to deliver dependable refrigerant flow and high thermal performance in residential and commercial applications.
Key features include:
50 ft (15 m) long copper refrigerant tubing
3/8″ diameter liquid line and 7/8″ diameter suction line
Pre-insulated for improved efficiency
UV and moisture-resistant insulation jacket
Ideal for split AC and heat pump systems
Whether you’re replacing existing lines or completing a new HVAC installation, this product offers reliability, reduced heat loss, and long-term performance.
Technical Specifications – Designed for HVAC Efficiency
Premium Copper Tubing
Material: 99.9% pure seamless copper
Diameters: 3/8″ (liquid line) & 7/8″ (suction line)
Length: 50 ft (15 meters)
Excellent heat transfer and corrosion resistance for HVAC systems
Copper’s superior thermal conductivity supports efficient refrigerant circulation and system performance.
High-Quality Insulation Features
Pre-insulated with moisture and UV-resistant material
Reduces condensation and prevents energy loss
Helps maintain temperature stability
Easy to handle and route during installation
High-density insulation is critical for maintaining efficiency and protecting the refrigerant lines in varied climates.
Key Benefits of This Insulated Copper Pipe
Enhanced Energy Efficiency
Insulated copper tubing minimizes thermal loss, enabling your HVAC system to work more efficiently and reduce operating costs.
Superior Moisture Control
Insulation prevents condensation from forming on the line surface, reducing the risk of water damage and mold growth inside buildings.
Easy Installation & Time Savings
Pre-insulated and ready to install — no need for extra insulation material. This saves time on site and lowers installation labor costs.
Features of pipe insulation tubing:
![White PE Embossed insulated pipe]( "insulated pipe")
Applications – Where This HVAC Copper Line Is Used
This 50 ft insulated copper pipe is suitable for:
Split air conditioners (residential and commercial)
Heat pump systems
Mini split HVAC units
Retrofit and replacement projects
Refrigeration line runs requiring insulated copper tubing
Perfect for HVAC installers, technicians, and DIYers who demand quality, reliability, and ease of use.
Installation Best Practices for Maximum Performance
To ensure proper operation and longevity of your HVAC system:
Measure required length before cutting.
Avoid sharp bends or kinks that restrict refrigerant flow.
Ensure complete insulation coverage for thermal efficiency.
Use proper flaring and sealing techniques to prevent leaks.
Following these industry-recommended steps helps maintain system performance and reduce maintenance over time.
![White PE copper line set]( "Copper Line Set")
Insulated Copper Pipe for Split AC
Size | Length | Insulation White PE | Flame Resistant |
1/4+3/8 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+1/2 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+5/8 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+5/8 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+3/4 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/2+3/4 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+7/8 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4 + 3/8 Insulated copper pipe used for 0.75TON - 1.0TON mini split air conditioner.
1/4 + 1/2 Mini split line set used for 1.5TON - 2.0TON mini split air conditioning.
1/4 + 5/8 Copper line set 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 pipe 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 pipe 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.
Insulated copper pipe 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 Insulated copper pipe used for 54000 BTU and 72000 split air conditioner installation.
3/8 + 7/8 Insulated copper pipe 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 Insulated copper pipe 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.
Why Choose 3/8 in. x 7/8 in. x 50 ft Insulated Copper Pipe for Split AC from DABUND PIPE
We are manufacturer of insulated copper pipe for split ac since 2008 years, have good experience of producing and exporting. We have cooperated 9 years forwarder, can guarantee the shipment. Every week we load at least 6-8 40HQ to different countries. Choose Dabund You will win the business.
Individual pre-insulated rolls to perfectly fit every ductless mini-splits, VRF, heat pumps and unitary systems installation.
Quality products with competitive pricing
Peace of mind with professional services
DABUND FACTORY
We produce Insulated Copper Pipe, Mini Split Line Set and Aluminum Pipe and HVAC Parts
![Factory Profile]( "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]( "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]( "TRADE SHOW")
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. Is this insulated copper pipe compatible with all refrigerants?
Yes – the copper tubing is compatible with common refrigerants like R410A, R32, and R22. Always verify with your system manufacturer before installation.
8.Can this insulated pipe be cut to custom lengths?
Yes, the copper tubing can be cut to fit specific installation needs. Ensure proper flaring and sealing after cutting to maintain system integrity.
9. Does this pipe require additional insulation?
No — the factory-applied insulation is designed to meet HVAC insulation performance requirements and does not require additional insulation material.
