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Line Sets and Accessories

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Items 97-120 of 139

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  3. ZoomLock MAX 1-1/8" to 7/8" Reducer Fitting - MZK-R1814-HNBR
    SAVE $40.05
    ZoomLock MAX 1-1/8" to 7/8" Reducer Fitting - MZK-R1814-HNBR
    Model: MZK-R1814-HNBR
    Was $125.00 Your Low Price Special Price $84.95
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  7. 3/8" MaxiPro Copper 90 Degree Bend Elbow - Bag of 5
    SAVE $50.05
    3/8" MaxiPro Copper 90 Degree Bend Elbow - Bag of 5
    Model: MPA50020030001
    Was $150.00 Your Low Price Special Price $99.95
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  10. SmartLock 7/8" Elbow Swage Union - ELSW7800
    SAVE $100.05
    SmartLock 7/8" Elbow Swage Union - ELSW7800
    Model: ELSW7800
    Was $200.00 Your Low Price Special Price $99.95
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  14. 5 Piece Flaring Tool - F5000
    SAVE $55.05
    5 Piece Flaring Tool Kit
    Model: F5000
    Was $180.00 Your Low Price Special Price $124.95
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  16. Pro-Fit Flaring Kit
    SAVE $24.62
    Pro-Fit Flaring Kit
    Model: R-87001
    Was $190.00 Your Low Price Special Price $165.38
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  20. Infinity Living 25' EZ Connect DIYCOOL Line Set for 9k, 12k, & 18k Air Handlers
    25 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
    SAVE $66.41
    25 ft Stealth DIYCOOL Multi‑Zone Pre‑Charged Line Set – R454B
    Model: EZ-25-1412-MB
    Rating:
    93%
    1  Review
    Was $295.41 Your Low Price Special Price $229.00
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  23. MRCOOL DIY 25' Quick Connect Line Set for 24k and 36k Air Handlers
    SAVE $201.00
    25ft 3/8 x 5/8 Line Set for DIY 24K & 36K Indoor - R454B
    Model: DIY25-3858-O
    Was $457.00 Your Low Price Special Price $256.00
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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.

For help in choosing the correct line set size, use the chart below.

 

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