100 ft 3/8" x 7/8" Copper Line Set – Heavy-Duty Insulated HVAC Refrigeration Pipe for Large Systems

Looking for a high-capacity 100 ft copper line set for demanding HVAC installations? This 3/8" x 7/8" insulated copper line set is engineered for high-pressure refrigerant flow, long-distance performance, and superior durability.

Designed for large mini split systems, VRF systems, and commercial HVAC applications, this line set ensures efficient and stable operation even in complex installations.

Product Overview – 100 ft Insulated Copper Line Set for HVAC & Refrigeration Systems

This copper line set includes two pre-insulated copper tubes (liquid + suction line), designed to deliver efficient refrigerant transfer over long distances.

Manufactured from 99.9% pure copper (C12200) and compliant with ASTM B280, it offers excellent thermal conductivity, corrosion resistance, and long service life—essential for high-performance HVAC systems.

Key Features of 3/8" x 7/8" 100 ft Copper Line Set

High-Purity 99.9% Copper for Superior Performance

Premium copper construction ensures:

• Maximum heat transfer efficiency

• Reduced energy loss

• Long-lasting durability

Think of it as a high-capacity pipeline built for performance.

ASTM B280 & C12200 Certified Copper Tubing

This line set meets international HVAC standards:

• ASTM B280 refrigeration copper tubing

• C12200 DHP copper grade

Ensuring safety, durability, and compatibility with modern HVAC systems.

High Pressure Rating (2100–7000 PSI)

Supports high-pressure refrigerants such as:

• R410A

• R32

Providing reliable, leak-free performance under demanding conditions.

Large Diameter for High-Capacity HVAC Systems

• Liquid Line: 3/8" (9.52 mm)

• Suction Line: 7/8" (22.22 mm)

Suitable for:

• 48,000 – 60,000 BTU systems

• Commercial HVAC applications

100 ft Length for Long-Distance Installations

The extended length allows:

• Flexible routing in large buildings

• Reduced need for connectors

• Efficient long-distance refrigerant flow

Ideal for projects requiring extended piping runs.

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.

Advanced Insulation Technology for Maximum Efficiency

UV-Resistant & Flame-Retardant Insulation

The insulation complies with:

• ASTM E84

• UL94

• ASTM D1056

• ASTM G21

Operating temperature range: -40°C to 120°C, suitable for indoor and outdoor environments.

Multi-Layer Insulation Structure

• Outer Layer: UV-resistant PE film (anti-aging & weather-resistant)

• Middle Layer: High-density IXPE foam (thermal barrier)

• Inner Layer: Closed-cell insulation (moisture-proof & airtight)

Provides a thermal shield to maintain system efficiency.

Condensation & Energy Loss Prevention

This insulation system:

• Prevents condensation buildup

• Reduces heat loss

• Improves overall HVAC efficiency

Result? Lower energy costs and improved system lifespan.

Applications – Where This Copper Line Set Is Used

Large Mini Split & Multi-Zone Systems

Ideal for high-capacity residential and commercial systems.

VRF & Commercial HVAC Systems

Widely used in:

• Office buildings

• Hotels

• Shopping malls

Industrial Refrigeration Systems

Suitable for:

• Cold storage facilities

• Food processing plants

• Pharmaceutical environments

Technical Specifications

• Product Name: Copper Line Set

• Size: 3/8" + 7/8"

• Length: 100 ft (30 m)

• Material: 99.9% Pure Copper

• Standard: ASTM B280 / C12200

• Pressure Rating: 2100–7000 PSI

• Temperature Range: -40°C to 120°C

• Insulation: UV-resistant PE / IXPE Foam

• Application: HVAC & Refrigeration

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.

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 Copper line set 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 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.

Why Choose This Copper Line Set from a Professional Supplier?

15+ Years HVAC Manufacturing Experience

Produced by a specialized manufacturer with extensive experience in HVAC copper piping solutions and global exports.

In-House Insulation Production

Ensures:

• Consistent insulation quality

• Faster production timelines

• Customization flexibility

OEM & Custom Branding Available

We support:

• Logo printing on insulation

• Custom packaging

• Private labeling

Ideal for distributors and wholesalers.

Strong Global Supply Capability

• Weekly container shipments

• Reliable delivery timelines

• Scalable bulk production

Installation Tips for Large HVAC Systems

Plan Routing for Long Runs

Minimize bends to maintain optimal refrigerant flow.

Support Long Pipe Runs Properly

Use brackets or clamps to prevent sagging.

Maintain Proper Bend Radius

Avoid kinks that could damage copper tubing.

Ensure Leak-Free Connections

Proper brazing and sealing are essential for performance.

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 system capacity is this line set suitable for?

Typically used for 48,000–60,000 BTU HVAC systems.

8.Can it handle high-pressure refrigerants?

Yes, it supports R410A and R32 with pressure ratings up to 7000 PSI.

9.Is this suitable for outdoor installation?

Yes, thanks to UV-resistant insulation.

10. Does it come pre-insulated?

Yes, factory insulation ensures efficiency and simplifies installation.

11.Do you support OEM customization?

Yes, including logo printing and packaging customization.