50 ft 1/4″ × 1/2″ Split System Air Conditioner Installation Kit – HVAC Line Set

High-quality 50-foot split AC installation kit with pre-insulated refrigerant lines and accessories — ideal for residential and commercial HVAC installations. Designed for professional contractors, wholesalers, and DIY installers in the US and global markets.

The Split AC Installation Kit is twin already. So buy it now.

Complete Split System Air Conditioner Installation Kit

This all-in-one HVAC line set kit includes everything needed for a clean, reliable, and code-compliant split AC installation:

• Pre-insulated copper refrigerant lines (1/4″ liquid line + 1/2″ suction line)

• Pre-flared ends with nuts for fast, leak-free connections

• Communication wire cable

• Drain hose

• Protective wall sleeve and decorative wall cover

• Installation accessories to complete the setup

Whether installing new AC systems or upgrading existing HVAC lines, this kit offers convenience and performance in every detail.

Technical Specifications – Engineered for Dependability

Copper Line Set Details

• Length: 50 ft (15 meters) – ideal for larger installations

• Diameter: 1/4″ liquid line + 1/2″ suction line

• Material: Premium 99.9% pure copper tubing

• Pre-flared ends with standard nuts for quick connections

Crafted according to industry quality standards to ensure long-lasting performance and reliable refrigerant flow.

Insulation Features

• High-density insulation for improved thermal retention

• UV and moisture resistant — suitable for varied climate zones

• Helps reduce condensation and energy loss

• Available in multiple insulation thickness options

Proper insulation enhances cooling efficiency and protects lines from outdoor elements.

Features of pipe insulation tubing:

Applications – Where This Kit Is Used

This split AC installation kit is perfect for:

• Residential homes and apartments

• Light commercial HVAC systems

• Multi-zone ductless AC installations

• Replacement and retrofit projects

Widely used by HVAC professionals and DIY enthusiasts alike due to its ease of use and compatibility.

Installation Tips & Best Practices

To ensure optimal performance and longevity of your AC system:

1. Double-check refrigerant line lengths to ensure proper reach.

2. Inspect insulation continuity for maximum thermal resistance.

3. Use proper torque on flare nuts to avoid leaks.

4. Ensure correct slope and drainage for suction line to prevent moisture build-up.

Following these HVAC best practices ensures a clean, reliable installation result every time.

Split System Air Conditioner Installation Kit

Size	Length	Insulation White PE	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

1/4 + 3/8 Split System Air Conditioner Installation Kit 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 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 Mini Split Installation Kit used for 2P and 2.5air conditioner system.

3/8 + 5/8 Split System Air Conditioner Installation Kit 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 Split AC Installation Kit 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 Split AC Installation Kit 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 line set kit used for 54000 BTU and 72000 split air conditioner installation.

3/8 + 7/8 Mini Split Installation Kit apply for 72000 BTU - 96000 BTU ductless mini split air conditioner.

Split System Air Conditioner Installation Kit 1/4 + 3/8 used for 9K and 12K split air conditioner.

Mini Split Installation Kit 1/4 + 1/2 commonly used for 12K and 18K mini split air conditioners.

1/4 + 5/8 Split AC Installation Kit 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 Line set kit used for 54K and 72K split air conditioner installation.

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

Why Choose This Split AC Installation Kit

Designed for Professional HVAC Installers

This kit includes all essential components to streamline the installation process, making it a favorite choice among HVAC technicians and contractors across the US.

Time-Saving & Easy to Install

Pre-flared connections and included accessories help reduce on-site prep time, allowing faster installation and lower labor costs.

Versatile and Reliable Performance

Compatible with a wide range of split air conditioner systems, heat pumps, and ductless AC units — ensuring flexibility and performance for various projects.

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 components are included in this kit?

This kit includes pre-insulated copper refrigerant lines, communication wire, drain hose, wall sleeve, wall cap, and essential installation accessories.

8.Is this HVAC line set compatible with all split AC brands?

Yes — this line set works with most split-system air conditioners and heat pumps available in the US and global HVAC markets.

9.Can I cut this line set to a shorter length?

Yes, it can be trimmed to fit required installation length, but professional handling is recommended to maintain seal integrity.