DBJ-003
DABUND
Copper
1M - 10M
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1.Mini Split Installation Kit including one set air conditioner insulated copper pipe, size 3/8"+5/8" 10 ft, and other accessories, like communication wire cable, drain hose 3m, wall pipe and cover and the other necessary parts.
2. Both of the two copper pipe end do flaring and nuts.
3. The insulation we can offer White PE and Black Rubber. White PE thickness is 3/8" 1/2" 3/4" 1" or 8mm 9mm 10mm 13mm 19mm 25.4mm. Black Rubber thickness is 1/2" 3/4" 1" or 13mm 17mm 19mm 25.4mm.
4. For the AC Installation kit, most popular size is 3m 4m and 5m. Europe want 6m 7m 8m 10m.
5. For the insulation we have SGS test report including ASTM E 84, UL 94, ASTM D1056, ASTM G 21, and copper pipe meets ASTM B280 AND C12200.
6.Professional manufacturer of Mini Split Installation Kit, 2 factories, 1,000,000PCS per month, 5days for sample and 14years' experience.


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 |



A Mini Split Installation Kit is a complete set of HVAC installation components designed for ductless mini split air conditioners and heat pump systems. It typically includes pre-insulated copper line sets, a drain hose, communication wire, wall sleeve, and necessary accessories to ensure a safe and efficient installation.
Most Mini Split Installation Kits include:
Pre-insulated copper refrigerant lines (liquid & suction lines)
Drain hose for condensate removal
Communication/control wire
Wall pipe or sleeve
Decorative wall cover
Flare nuts or fittings (depending on model)
Always check the product description for exact contents.
Mini Split Installation Kits are available in multiple line set sizes, such as:
1/4″ × 3/8″
1/4″ × 1/2″
3/8″ × 5/8″
Common lengths include 10 ft, 15 ft, 25 ft, and longer options for different installation needs.
To choose the correct kit, match the copper line sizes specified by your mini split manufacturer. Using the correct diameter is essential for proper refrigerant flow, system efficiency, and warranty compliance.
Most Mini Split Installation Kits are universally compatible with major ductless brands such as Mitsubishi, Daikin, LG, Gree, Fujitsu, Samsung, and similar systems, as long as the line sizes match the unit requirements.
Yes. High-quality Mini Split Installation Kits come with pre-insulated copper tubing to reduce energy loss, prevent condensation, and protect the refrigerant lines during long-term operation.
Yes. Copper lines can be bent carefully and cut to fit your installation layout. Proper flaring tools and HVAC best practices should be used to avoid leaks or damage.
While experienced DIY users may install a mini split system, professional HVAC installation is strongly recommended. Proper vacuuming, flaring, and refrigerant handling are critical for system performance and safety.
No. Mini Split Installation Kits do not include refrigerant. Refrigerant is pre-charged in the outdoor unit or must be handled by licensed HVAC professionals, depending on the system.
Common insulation options include:
Black rubber insulation (UV-resistant and flexible)
White PE insulation (lightweight and cost-effective)
Both are designed to meet HVAC efficiency and durability standards.
A complete kit ensures component compatibility, reduces installation time, minimizes missing parts, and often provides better overall value compared to sourcing individual HVAC components separately.
Yes. Using the correct Mini Split Installation Kit helps maintain proper pressure, improves energy efficiency, reduces the risk of refrigerant leaks, and supports the long-term reliability of the HVAC system.
Yes. Mini Split Installation Kits are suitable for both ductless air conditioners and mini split heat pump systems, provided the size and specifications match the equipment requirements.
1.Mini Split Installation Kit including one set air conditioner insulated copper pipe, size 3/8"+5/8" 10 ft, and other accessories, like communication wire cable, drain hose 3m, wall pipe and cover and the other necessary parts.
2. Both of the two copper pipe end do flaring and nuts.
3. The insulation we can offer White PE and Black Rubber. White PE thickness is 3/8" 1/2" 3/4" 1" or 8mm 9mm 10mm 13mm 19mm 25.4mm. Black Rubber thickness is 1/2" 3/4" 1" or 13mm 17mm 19mm 25.4mm.
4. For the AC Installation kit, most popular size is 3m 4m and 5m. Europe want 6m 7m 8m 10m.
5. For the insulation we have SGS test report including ASTM E 84, UL 94, ASTM D1056, ASTM G 21, and copper pipe meets ASTM B280 AND C12200.
6.Professional manufacturer of Mini Split Installation Kit, 2 factories, 1,000,000PCS per month, 5days for sample and 14years' experience.


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 |



A Mini Split Installation Kit is a complete set of HVAC installation components designed for ductless mini split air conditioners and heat pump systems. It typically includes pre-insulated copper line sets, a drain hose, communication wire, wall sleeve, and necessary accessories to ensure a safe and efficient installation.
Most Mini Split Installation Kits include:
Pre-insulated copper refrigerant lines (liquid & suction lines)
Drain hose for condensate removal
Communication/control wire
Wall pipe or sleeve
Decorative wall cover
Flare nuts or fittings (depending on model)
Always check the product description for exact contents.
Mini Split Installation Kits are available in multiple line set sizes, such as:
1/4″ × 3/8″
1/4″ × 1/2″
3/8″ × 5/8″
Common lengths include 10 ft, 15 ft, 25 ft, and longer options for different installation needs.
To choose the correct kit, match the copper line sizes specified by your mini split manufacturer. Using the correct diameter is essential for proper refrigerant flow, system efficiency, and warranty compliance.
Most Mini Split Installation Kits are universally compatible with major ductless brands such as Mitsubishi, Daikin, LG, Gree, Fujitsu, Samsung, and similar systems, as long as the line sizes match the unit requirements.
Yes. High-quality Mini Split Installation Kits come with pre-insulated copper tubing to reduce energy loss, prevent condensation, and protect the refrigerant lines during long-term operation.
Yes. Copper lines can be bent carefully and cut to fit your installation layout. Proper flaring tools and HVAC best practices should be used to avoid leaks or damage.
While experienced DIY users may install a mini split system, professional HVAC installation is strongly recommended. Proper vacuuming, flaring, and refrigerant handling are critical for system performance and safety.
No. Mini Split Installation Kits do not include refrigerant. Refrigerant is pre-charged in the outdoor unit or must be handled by licensed HVAC professionals, depending on the system.
Common insulation options include:
Black rubber insulation (UV-resistant and flexible)
White PE insulation (lightweight and cost-effective)
Both are designed to meet HVAC efficiency and durability standards.
A complete kit ensures component compatibility, reduces installation time, minimizes missing parts, and often provides better overall value compared to sourcing individual HVAC components separately.
Yes. Using the correct Mini Split Installation Kit helps maintain proper pressure, improves energy efficiency, reduces the risk of refrigerant leaks, and supports the long-term reliability of the HVAC system.
Yes. Mini Split Installation Kits are suitable for both ductless air conditioners and mini split heat pump systems, provided the size and specifications match the equipment requirements.