Refrigerant Line Sets for Ductless Mini-Split Systems

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Typical line sets available for a mini-split system consist of 2 copper line sets in different diameters. The small one is for your refrigerant and the large one is for the evacuation of the vapor. The have flared ends. It’s a high quality copper and all are insulated with 3/8” pipe insulation.

With every line set you buy from a 4 wire, 14 gage control cable will be included. The line set is available is 15, 25 and 50 foot lengths to complete your project.

Go to to find products for your line set needs.


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