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Mini Split Systems Direct

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Ductless Mini Splits

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Line Sets

Discover premium quality line sets for your HVAC installation. Our collection features insulated copper tubing in various sizes from trusted brands like MRCOOL and Pioneer. Perfect for mini splits and central systems, these durable line sets ensure reliable refrigerant flow and efficient system performance.

150 products

MRCOOL® 25ft 1/4 x 1/2 Pre-Charged Lineset for DIY 18K Indoor w/ DIY Pro Cable - R454B - DIY25-1412C-O Mini Split Systems Direct

MRCOOL® 25ft 1/4 x 1/2 Pre-Charged Lineset for DIY 18K Indoor w/ DIY Pro Cable - R454B

$436.00 ~~$588.60~~

MRCOOL® 16ft 1/4 x 1/2 Pre-Charged Lineset for DIY 18K Indoor - R454B - DIY16-1412-O Mini Split Systems Direct

MRCOOL® 16ft 1/4 x 1/2 Pre-Charged Lineset for DIY 18K Indoor - R454B

$239.00 ~~$322.65~~

MRCOOL® 16ft 3/8 x 5/8 Pre-Charged Lineset for DIY 24K & 36K Indoor - R454B - DIY16-3858-O Mini Split Systems Direct

MRCOOL® 16ft 3/8 x 5/8 Pre-Charged Lineset for DIY 24K & 36K Indoor - R454B

$271.00 ~~$365.85~~

VEVOR 50FT Mini Split Line Set – Durable Copper Tubing & Insulation - JSY-SS-SKU2 Mini Split Systems Direct

VEVOR 50FT Mini Split Line Set – Durable Copper Tubing & Insulation

$186.99 ~~$224.39~~

50 Feet of 3/8" LL x 1 1/8" SL x 3/8" Insulated Line Set - LS381183850-HD Mini Split Systems Direct

JMF Company 25 Feet of 3/8" LL x 7/8" SL x 3/8" Insulated Line Set

$256.00 ~~$345.60~~

30 Feet of 3/8" LL x 3/4" SL x 3/8" Insulated Line Set - LS38343830 Mini Split Systems Direct

JMF Company 25 Feet of 3/8" LL x 3/4" SL x 3/8" Insulated Line Set

$196.00 ~~$264.60~~

50 Feet of 3/8" LL x 1 1/8" SL x 3/8" Insulated Line Set - LS381183850-HD Mini Split Systems Direct

30 Feet of 3/8" LL x 7/8" SL x 3/8" Insulated Line Set

$381.00 ~~$473.00~~

50 Feet of 3/8" LL x 1 1/8" SL x 3/8" Insulated Line Set - LS381183850-HD Mini Split Systems Direct

50 Feet of 3/8" LL x 1 1/8" SL x 3/8" Insulated Line Set

$536.00 ~~$599.00~~

Ductless Mini Split Indoor Installation Kit - 1/4" x 3/8" Line Set - 15' - MSK143815 Mini Split Systems Direct

Ductless Mini Split Indoor Installation Kit - 3/8" x 5/8" Line Set - 30'

$374.97 ~~$468.71~~

Ductless Mini Split Indoor Installation Kit - 1/4" x 3/8" Line Set - 15' - MSK143815 Mini Split Systems Direct

Ductless Mini Split Indoor Installation Kit - 3/8" x 5/8" Line Set - 15'

$292.28 ~~$365.35~~

JMF Company 35 Feet of 3/8" LL x 3/4" SL x 3/8" Insulated Line Set - LS383435 Mini Split Systems Direct

JMF Company 35 Feet of 3/8" LL x 3/4" SL x 3/8" Insulated Line Set

$259.00 ~~$349.65~~

Single Zone Ductless Mini Split Installation Kit - 1/4" x 1/2" Line Set - 15' - MSKIT141215 Mini Split Systems Direct

Single Zone Ductless Mini Split Installation Kit - 1/4" x 1/2" Line Set - 15'

$497.18 ~~$596.62~~

Refrigerant Line Set with 1/4" and 3/8" Line Ends - 50 feet - 366396 Mini Split Systems Direct

Refrigerant Line Set with 1/4" and 3/8" Line Ends - 50 feet

$389.99 ~~$486.25~~

EZ Connect Precharged Refrigerant Line Set with 3/8" and 3/4" Line Ends - 25 Feet - R454B - EZ-25-3834-U Mini Split Systems Direct

EZ Connect Precharged Refrigerant Line Set with 3/8" and 3/4" Line Ends - 25 Feet - R454B

$399.00 ~~$514.71~~

Single Zone Ductless Mini Split Installation Kit - 1/4" x 1/2" Line Set - 15' - MSKIT141215 Mini Split Systems Direct

Single Zone Ductless Mini Split Installation Kit - 1/4" x 3/8" Line Set - 50'

$836.84 ~~$1,004.21~~

Single Zone Ductless Mini Split Installation Kit - 1/4" x 1/2" Line Set - 15' - MSKIT141215 Mini Split Systems Direct

Single Zone Ductless Mini Split Installation Kit - 1/4" x 3/8" Line Set - 35'

$709.50 ~~$851.40~~