What are Line Sets?
Line sets are made up of two copper pipes that are semi-flexible. These lines connect the outdoor air conditioner or heat pump to the indoor evaporator coil. The smaller of the two pipes is called the liquid line. The larger pipe is known as the suction line, and includes insulation. The diameter on the liquid line for standard residential systems is 3/8 inches in diameter. The suction line diameter is normally either 3/4, 7/8 or 1 1/8 inches, it depends on the size (and efficiency) of the air conditioning system or heat pump. Line sets come in multiple lengths and are designed to be cut to fit your exact need. When buying refrigeration line sets, measure the length of line set needed to connect your outdoor condenser to the indoor forced air equipment. Based on that length, the correct size diameter line set can be selected which will ensure your system meets the listed SEER rating and capacity.
For help in choosing the correct line set size, use the helpful chart we've included below the line sets listed on this page.
Model: LS38343430Low Price: $144.04
Model: LS38783430Low Price: $160.95
Model: LS38343450Low Price: $198.95
Model: LS38783450Low Price: $269.99
Model: LS381183450Low Price: $325.24
For help in choosing the correct line set size, use the chart below.
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