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Air Conditioning System Protectors
LEARNING CENTER
for Air Conditioning / Cooling
Air Conditioning System Protectors

Liquid line and suction line filter-driers are often referred to as System Protectors because they remove harmful elements from the circulating refrigerant before serious damage results.

Keeping the system clean and free of foreign contaminants that can restrict the operation of valves, block capillary tubes or damage compressors is the best way to assure trouble-free operation. These contaminants can be solids, such as metal filings, flux, dust and dirt. Other equally menacing contaminants are solubles, such as acid, water, resins and wax.

No matter how many precautions are taken during assembly and installation or servicing of a system, contaminants can find a way into the system. Filter-driers are designed to protect a system during operation. It is the function of this all-important unit to remove those residual elements that can attack and eventually destroy the system components.

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Liquid Line Filter Drier Alco EK163S   popular
1.5 - 5 Ton Dryer for 3/8" for Liquid Line (Condenser Use Only - Not Heat Pump)
$ 28.99

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  • Parker Biflow Filter Dryer Alpine AG-BFLDR38
    1.5 - 5 Ton Biflow Filter Dryer for 3/8" Liquid Line (For AC or Heat Pump)
    $ 52.99

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  • Suction Line Filter Drier Alpine AG-SDR118
    1.5 - 8.5 Ton Filter Dryer for 1 1/8" Suction Line (Condenser Use Only - Not Heat Pump)
    $ 62.99

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  • Premium Guarantee

  • Suction Line Filter Drier Alpine AG-SDR34   popular
    1.5 - 5 Ton Filter Dryer for 3/4" Suction Line (Condenser Use Only - Not Heat Pump)
    $ 54.99

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  • Suction Line Filter Drier Alpine AG-SDR78
    1.5 - 5 Ton Filter Dryer for 7/8" Suction Line (Condenser Use Only - Not Heat Pump)
    $ 50.99

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  • Premium Guarantee

  • Suction Line Oil Trap Alpine AG-SLT034
    3/4" Suction Line Oil Trap
    $ 46.99

    Product includes:
  • Premium Guarantee

  • Suction Line Oil Trap Alpine AG-SLT078
    7/8" Suction Line Oil Trap
    $ 33.99

    Product includes:
  • Premium Guarantee

  • Suction Line Oil Trap Alpine AG-SLT118
    1 1/8" Suction Line Oil Trap
    $ 51.99

    Product includes:
  • Premium Guarantee

  • Emerson HMI-1TT3 Sight Glass Emerson HMI-1TT3   popular
    Refrigerant Safety Indicator
    $ 31.99

    Product includes:
  • Premium Guarantee

  • Product Image Goodman HTP-A
    High Temperature Drain Pan for 13 Inch Wide Evaporator Coils
    $ 50.99

    Product includes:
  • Premium Guarantee

  • Product Image Goodman HTP-B
    High Temperature Drain Pan for 16.5 Inch Wide Evaporator Coils
    $ 55.99

    Product includes:
  • Premium Guarantee

  • Product Image Goodman HTP-C
    High Temperature Drain Pan for 20 Inch Wide Evaporator Coils
    $ 58.99

    Product includes:
  • Premium Guarantee

  • Product Image Goodman HTP-D
    High Temperature Drain Pan for 23 Inch Wide Evaporator Coils
    $ 62.99

    Product includes:
  • Premium Guarantee

  • FPC Honeywell FPC
    Freeze Protection Control
    $ 25.99

    Product includes:
  • Premium Guarantee

  • preventfilter Permatron PREVENTWA1
    25" x 80" Equipment Protection Air Filter for AC and Heat Pumps
    $ 51.99

    Product includes:
  • Premium Guarantee

  • preventfilter Permatron PREVENTWA2
    30" x 100" Equipment Protection Air Filter for AC and Heat Pumps
    $ 51.99

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  • Premium Guarantee

  • preventfilter Permatron PREVENTWA3
    38" x 110" Equipment Protection Air Filter for AC and Heat Pumps
    $ 53.99

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  • Premium Guarantee

  • Tyco CCH Crankcase Heater Tyco Thermal Controls LLC CCH-2C
    240 Volt Crankcase Heater
    $ 59.99

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  • Premium Guarantee
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