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Mini-Split System Line Sets

Hitachi LS143814-15 Line Set
Line sets consist of two semi-flexible copper pipes to connect the outdoor air conditioner or heat pump to the indoor air handler. The smaller pipe is called the liquid line. The larger pipe is referred to as the suction line. Both the suction and liquid lines are insulated on mini-split line sets. The liquid line diameter can be 1/4, 3/8 or 5/8 inches, and the suction line can be 1/2, 5/8 or 3/4 inches depending on the size and efficiency of the air conditioner or heat pump.  When installing refrigeration lines make sure you have the correct size line set based on the specifications of the unit. Line sets come in several lengths and are designed to be cut to fit your exact need. Want to cover up the line set outside your home so it blends in with your home's exterior? Check out our line set covers which will hide the line set and preserve your home's tidy look.
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  • Alpine 40680150B3B6

    15 Foot 3/8 SL 1/4 LL Ductless Mini-Split Line Set

    popular
    $ 79.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 40680250B3B6

    25 Foot 3/8 SL 1/4 LL Ductless Mini-Split Line Set

    popular
    $ 85.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 40680350B3B6

    35 Foot 3/8 SL 1/4 LL Ductless Mini-Split Line Set

    $ 100.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 40680500B3B6

    50 Foot 3/8 SL 1/4 LL Ductless Mini-Split Line Set

    popular
    $ 133.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 40880150B3B6

    15 Foot 1/2 SL 1/4 LL Ductless Mini-Split Line Set

    $ 69.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 40880250B3B6

    25 Foot 1/2 SL 1/4 LL Ductless Mini-Split Line Set

    $ 93.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 40880350B3B6

    35 Foot 1/2 SL 1/4 LL Ductless Mini-Split Line Set

    $ 110.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 40880500B3B6

    50 Foot 1/2 SL 1/4 LL Ductless Mini-Split Line Set

    $ 140.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 41080150B3B6

    15 Foot 5/8 SL 1/4 LL Ductless Mini-Split Line Set

    $ 69.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 41080250B3B6

    25 Foot 5/8 SL 1/4 LL Ductless Mini-Split Line Set

    $ 97.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 41080350B3B6

    35 Foot 5/8 SL 1/4 LL Ductless Mini-Split Line Set

    $ 120.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 41080500B3B6

    50 Foot 5/8 SL 1/4 LL Ductless Mini-Split Line Set

    $ 160.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 61080150B3B6

    15 Foot 5/8 SL 3/8 LL Ductless Mini-Split Line Set

    $ 64.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 61080250B3B6

    25 Foot 5/8 SL 3/8 LL Ductless Mini-Split Line Set

    $ 99.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 61080350B3B6

    35 Foot 5/8 SL 3/8 LL Ductless Mini-Split Line Set

    $ 124.99

    Or as low as /mo

    (18 Reviews)
  • Alpine 61080500B3B6

    50 Foot 5/8 SL 3/8 LL Ductless Mini-Split Line Set

    $ 191.99

    Or as low as /mo

    (18 Reviews)
  • Rectorseal 66731

    NoKink™ Flexible Refrigerant Line Connector, 1/4 Inch

    $ 53.99

    Or as low as /mo

    (0 Reviews)
  • Rectorseal 66733

    NoKink™ Flexible Refrigerant Line Connector, 3/8 Inch

    $ 54.99

    Or as low as /mo

    (0 Reviews)
  • Rectorseal 66735

    NoKink™ Flexible Refrigerant Line Connector, 5/8 Inch

    $ 58.99

    Or as low as /mo

    (0 Reviews)
  • Rectorseal 66737

    NoKink™ Flexible Refrigerant Line Connector, 1/2 Inch

    $ 62.99

    Or as low as /mo

    (0 Reviews)