Ductless mini-split line sets from Great Lakes Copper are factory assembled line sets for mini-split systems. Provided with flared ends using heavy-duty 45 degree forged brass fittings, and ...

The company’s entire line of standard and mini-split line sets are now UL recognized at 700-psi maximum working pressure. According to the manufacturer, it is the first company in the industry to ...

The 9,000-BTU system can be used for heating and cooling in spaces up to 350 square feet, and it comes with a 16-foot line ...

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