Best Mini Split Line Set 1/4 X 1/2 30 Ft in 2025
Updated on June 2025
#1
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- 33 ft copper tube with verified leak integrity for high and low pressure lines.
- 1/4" (6mm) and 1/2" (12mm) outer diameter suitable for mini split air conditioners.
- Copper coil line set compatible with ductless mini split air conditioning and heat pump systems.
- Features embossed polyethylene film with flame-retardant properties; 3/8" thickness aligns with most PVC covers available.
- Includes 33 ft AC drain hose, 4 pipe insulation straps, 1 decorative wall cap, 2 wall filler putties, and 34 ft interconnecting cable.
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- 33 ft copper tube with verified leak integrity for high and low pressure lines.
- 1/4" (6mm) and 1/2" (12mm) outer diameter suitable for mini split air conditioners.
- Copper coil line set compatible with ductless mini split air conditioning and heat pump systems.
- Features embossed polyethylene film with flame-retardant properties; 3/8" thickness aligns with most PVC covers available.
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#2
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- 1/4" and 1/2" OD copper aluminum tubes designed for mini split AC with a zero tolerance design and 0.5" thick walls for durability and leak-proof performance.
- Three-layer, 3/8" thick insulation protects mini split copper aluminum lines with flame retardant and heat insulating properties, enhancing service life.
- All-weather copper tubes operate efficiently between -22℉ and 221℉, compatible with various refrigerants and featuring UV and moisture resistance.
- Dedicated 24/7 customer support for assistance with inquiries or issues, ensuring timely help when needed.
- Complete installation kit includes refrigerant pipes, drain hose, wall sleeve, insulation foam, and other essential components in one package.
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- 1/4" and 1/2" OD copper aluminum tubes designed for mini split AC with a zero tolerance design and 0.5" thick walls for durability and leak-proof performance.
- Three-layer, 3/8" thick insulation protects mini split copper aluminum lines with flame retardant and heat insulating properties, enhancing service life.
- All-weather copper tubes operate efficiently between -22℉ and 221℉, compatible with various refrigerants and featuring UV and moisture resistance.
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#3
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- Crafted from high-quality pure copper for durability and corrosion resistance
- Flared ends ensure leak-free connections with thickened nuts for enhanced reliability
- Thickened copper pipes and nuts provide increased pressure resistance and overall performance
- Compatible with a variety of mini-split air conditioners, supporting standard flaring sizes
- User-friendly design facilitates easy installation with standard connectors
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- Crafted from high-quality pure copper for durability and corrosion resistance
- Flared ends ensure leak-free connections with thickened nuts for enhanced reliability
- Thickened copper pipes and nuts provide increased pressure resistance and overall performance
- Compatible with a variety of mini-split air conditioners, supporting standard flaring sizes
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#4
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- 25 ft insulated copper line set with ASTM B743 compliance; wall thickness of 0.65mm for 1/4" and 3/8" pipes, 0.7mm for 1/2" pipes; seamless design prevents leaks.
- Three-layer insulation includes embossed polyethylene film, climate-resistant foam, and 3/8" thick insulated cotton; M1 level flame retardant, fireproof, thermal insulation, shockproof, and sound absorbing.
- Operates effectively between -40°F to 248°F; compatible with various refrigerants; pre-flared ends for easy installation; fits most ductless mini-split systems and heat pumps.
- TC-ER type cable wire, 4C 16AWG (1.31mm²), 26.25 ft long; temperature range from -13°F to 194°F; available in black, red, green, and white. Flexible drain hose measures 9.84 ft with a 16/18mm interface.
- Wall sleeve cylinder and cap manufactured from new materials with a smooth finish; decorative cap dimensions are 65 x 160mm; 200g of impurity-free wall filler putty; PVC decorative tape made from A-grade materials, dimensions 0.15mm x 50mm x 15m.
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- 25 ft insulated copper line set with ASTM B743 compliance; wall thickness of 0.65mm for 1/4" and 3/8" pipes, 0.7mm for 1/2" pipes; seamless design prevents leaks.
- Three-layer insulation includes embossed polyethylene film, climate-resistant foam, and 3/8" thick insulated cotton; M1 level flame retardant, fireproof, thermal insulation, shockproof, and sound absorbing.
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#5
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- This mini-split line set contains high and low-pressure lines twin lines with 1/4"(6.35mm)and 1/2"(12.7mm) OD .The nuts size are 1/4 and 1/2.
- Our mini split line is protected with triple-layer insulated cotton, consisting of embossed polyethylene film, weather-resistant foam, and thickened insulating cotton.
- The ends of the copper pipes are flared perfectly ,and the flare fittings are leak-free. This line set for ac is outfitted with anti-cracking thickened nuts and protective caps.
- This copper line set is compatible with most 9000-36000 BTU mini split air conditioners or AC systems requiring 1/4'' and 1/2'' settings.
- All in one kit: 50ft insulated line set*1, 50Ft interconnecting cable*1,50 Ft air conditioning drain hose, pipe insulation straps*5,decorative wall cap*1, wall filler putty*2
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- This mini-split line set contains high and low-pressure lines twin lines with 1/4"(6.35mm)and 1/2"(12.7mm) OD .The nuts size are 1/4 and 1/2.
- Our mini split line is protected with triple-layer insulated cotton, consisting of embossed polyethylene film, weather-resistant foam, and thickened insulating cotton.
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#6
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- Thickened Copper Thickness:The wall thickness of 1/4 "and 3/8" copper tubes is 0.65mm, and the wall thickness of 1/2 "copper tubes is 0.7mm. Copper pipe meets ASTM B743 standard. Made of high-quality copper tubing with a fire retardant insulation layer that can withstand high pressure and temperature. It is ideal for AC line set and air conditioning tubing applications
- Embossed Polyethylene Film:50ft 1/4 x 1/2 inch twin lineset features an embossed polyethylene film on the insulation layer that provides abrasion resistance and stem rainfall penetration. It also reduces friction and noise during operation
- External Layer: This product has an external layer that is made of and uviofast material. It protects the copper tube from corrosion, weather, and rodents. It also adds a neat and professional look to your installation.
- Working Temperature:This insulated line set can operate in a wide range of temperature from -40° F to 248° F. It is suitable for most mini split AC units which use refrigerant such as R410A, R22
- Used in Air Conditioning:Designed for mini split air conditioning systems that are used in home，office，shopping malls, restaurants, and other places. It ensures efficient cooling and heating performance
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- Thickened Copper Thickness:The wall thickness of 1/4 "and 3/8" copper tubes is 0.65mm, and the wall thickness of 1/2 "copper tubes is 0.7mm. Copper pipe meets ASTM B743 standard. Made of high-quality copper tubing with a fire retardant insulation layer that can withstand high pressure and temperature. It is ideal for AC line set and air conditioning tubing applications
- Embossed Polyethylene Film:50ft 1/4 x 1/2 inch twin lineset features an embossed polyethylene film on the insulation layer that provides abrasion resistance and stem rainfall penetration. It also reduces friction and noise during operation
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#7
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- 50 ft insulated copper tubing, tested to ASTM B743 standards, with 0.65mm wall thickness for 1/4" and 3/8" pipes, and 0.7mm wall thickness for 1/2" pipes, ensuring no leaks.
- Three-layer insulation includes embossed polyethylene film, climate-resistant foam, and 3/8 inch insulated cotton, featuring M1 fire retardant properties, corrosion resistance, and sound absorption.
- Operates effectively in extreme temperatures, from -40 ℉ to 248 ℉, compatible with a wide range of refrigerants without deformation.
- Pre-flared ends with nuts simplify installation, making it compatible with various ductless mini split AC and heat pump systems.
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- 50 ft insulated copper tubing, tested to ASTM B743 standards, with 0.65mm wall thickness for 1/4" and 3/8" pipes, and 0.7mm wall thickness for 1/2" pipes, ensuring no leaks.
- Three-layer insulation includes embossed polyethylene film, climate-resistant foam, and 3/8 inch insulated cotton, featuring M1 fire retardant properties, corrosion resistance, and sound absorption.
- Operates effectively in extreme temperatures, from -40 ℉ to 248 ℉, compatible with a wide range of refrigerants without deformation.
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#8
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- 1.25 ft copper tubing with high and low pressure twin lines, leak-proof design.
- Standard sizes of 1/4" and 1/2" outer dimensions compatible with Mini Split Air Conditioners.
- Pre-flared ends with included nuts simplify installation; suitable for most ductless mini split systems.
- Embossed polyethylene film offers flame retardance; 3/8" thickness suitable for most PVC covers.
- Includes insulated line set (25 ft), condensate drain hose (26.5 ft), pipe insulation straps (3), interconnecting cable (26.5 ft, 16/4), wall filler putty (2), and decorative wall cap (1).
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- 1.25 ft copper tubing with high and low pressure twin lines, leak-proof design.
- Standard sizes of 1/4" and 1/2" outer dimensions compatible with Mini Split Air Conditioners.
- Pre-flared ends with included nuts simplify installation; suitable for most ductless mini split systems.
- Embossed polyethylene film offers flame retardance; 3/8" thickness suitable for most PVC covers.
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#9
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- 10 Ft. copper tube with high- and low-pressure twin lines, free of leaks.
- Universal dimensions of 1/4" and 1/2" outer diameter for compatibility with Mini Split Air Conditioners.
- Pre-flared ends with nuts simplify installation; compatible with most ductless mini split air conditioners.
- Embossed polyethylene film with flame-retardant properties and 3/8" thickness, compatible with standard PVC covers.
- Includes a 10 Ft insulated line set, a 10 Ft condensate drain hose, pipe insulation straps, an 11.5 Ft interconnecting cable (16/4), two wall filler putty, and one decorative wall cap.
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- 10 Ft. copper tube with high- and low-pressure twin lines, free of leaks.
- Universal dimensions of 1/4" and 1/2" outer diameter for compatibility with Mini Split Air Conditioners.
- Pre-flared ends with nuts simplify installation; compatible with most ductless mini split air conditioners.
- Embossed polyethylene film with flame-retardant properties and 3/8" thickness, compatible with standard PVC covers.
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#10
22% Off
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- 16FT copper tube allows for long-distance connection between indoor and outdoor AC units.
- Includes high-pressure (1/4”) and low-pressure (1/2”) pipes, suitable for 12000-18000 BTU mini-split AC systems.
- Constructed with thick, durable copper tubes that meet ASTM standards to prevent flattening.
- Features three layers of insulation for effective waterproofing and pressure resistance to protect inner tubes.
- Includes various installation accessories for a straightforward, weld-free setup.
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- 16FT copper tube allows for long-distance connection between indoor and outdoor AC units.
- Includes high-pressure (1/4”) and low-pressure (1/2”) pipes, suitable for 12000-18000 BTU mini-split AC systems.
- Constructed with thick, durable copper tubes that meet ASTM standards to prevent flattening.
- Features three layers of insulation for effective waterproofing and pressure resistance to protect inner tubes.
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