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  • AprilAire 4004 Humidifier Inline Strainer -12-Pack

    (Aprilaire 4004)

    The AprilAire 4004 Humidifier Inline Strainer- 12-Pack fits in to the inlet fitting of the water solenoid valve of your AprilAire humidifier which allows water to enter your humidifier. It is designed to keep debris from entering the solenoid valve and clogging it. The AprilAire 4004 humidifier…

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    Our Price: $ 119.99
    Retail:$140.99
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    $21.00 (15%)
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    Discontinued Product. Read Description for Options.
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  • AprilAire 4792 Maintenance Kit with Water Panel 10

    (Aprilaire 4792)

    …to keep it operating in optimal condition. The AprilAire 4792 Maintenance Kit includes: Water Panel 10 Scale Control Insert 4640 Water Distribution Tray 4331 Feed Tube and Compression Sleeve 4335 Orifice 4231 Drain Spud 4223 Inline Strainer 4004 Owner's Manual (Aprilaire 4792 / AprilAire 4792)

    As Low As: $ 78.99
    Retail:$97.69
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    $18.70 (20%)
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  • AprilAire 4793 - 550 Humidifier Maintenance Kit

    (Aprilaire 4793)

    …to keep it operating in optimal condition. The 4793 Maintenance Kit includes: Water Panel 10 Scale Control Insert 4217 Water Distribution Tray 4218 Feed Tube and Compression Sleeve 4226 Orifice 4231 Drain Spud 4223 Nozzle 4184 Inline Strainer 4004 Owner's Manual (Aprilaire 4793 / AprilAire 4793)

    As Low As: $ 78.99
    Retail:$99.99
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    $21.00 (21%)
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  • AprilAire 560 Series Humidifier Maintenance Kit

    (Aprilaire 4837)

    …560 humidifier to keep it operating in optimal condition. The 4837 Maintenance Kit includes: Water Panel 35 Scale Control Insert 4236 Feed Tube and Compression Sleeve 4266 Orifice 4231 Drain Spud 4223 Nozzle 4184 Inline Strainer 4004 Owner's Manual Aprilaire 560, (Aprilaire 4837 / AprilAire 4837)

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    Our Price: $ 89.99
    Retail:$106.99
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    $17.00 (16%)
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  • AprilAire 4785 Maintenance Kit with Water Panel 35

    (Aprilaire 4785)

    …replacement parts separately. The AprilAire 4785 Maintenance Kit includes: Water Panel 35 Scale Control Insert 4181 Water Distribution Tray 4182 Feed Tube and Compression Sleeve 4079 Orifice 4232 Drain Spud 4187 Nozzle 4184 Inline Strainer 4004 Owner's Manual (Aprilaire 4785 / AprilAire 4785)

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    Our Price: $ 152.99
    Retail:$180.99
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    $28.00 (15%)
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  • AprilAire 4750 Maintenance Kit with Water Panel 35

    (Aprilaire 4750)

    …humidifier to keep it operating in optimal condition. AprilAire 4750 Maintenance Kit includes: Water Panel 35 Scale Control Insert 4236 Water Distribution Tray 4246 Feed Tube and Compression Sleeve 4235 Orifice 4232 Inline Strainer 4004 Owner's Manual Aprilaire 700, (Aprilaire 4750 / AprilAire 4750)

    As Low As: $ 68.99
    Retail:$127.69
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  • AprilAire 4839 Maintenance Kit with Water Panel 35

    (Aprilaire 4839)

    …The AprilAire 4839 Maintenance Kit includes: Part Number: AprilAire 4839 Water Panel 35 Scale Control Insert 4330 Water Distribution Tray 4331 Feed Tube and Compression Sleeve 4335 Orifice 4231 Drain Spud 4223 Inline Strainer 4004 Owner's Manual Aprilaire 600, (Aprilaire 4839 / AprilAire 4839)

    Related Items: Aprilaire #35 Water Panel
    As Low As: $ 78.99
    Retail:$97.69
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  • AprilAire 4788 Maintenance Kit with Water Panel 45

    (Aprilaire 4788)

    …to keep it operating in optimal condition. The 4788 Maintenance Kit includes: Water Panel 45 (2 pack) Scale Control Insert 4403 Water Distribution Tray 4407 Float Assembly 4406 Feed Tube and Compression Sleeve 4335 Orifice 4231 Inline Strainer 4004 Owner's Manual (Aprilaire 4788 / AprilAire 4788)

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    As Low As: $ 115.99
    Retail:$170.18
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    $54.19 (32%)
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  • AprilAire Humidifier Solenoid Valve for 350 & 360

    (Aprilaire 4191)

    …manufacturer's warranty AprilAire 4191 valve number: B2015-S92 On the inlet side of the AprilAire 4191 Replacement Valve is a pre-installed inline strainer. The factory replacement assembly of the 4191 Selenoid valve includes inlet and outlet fittings. A ferrule and compression nut is included…

    Related Items: Humidifier Solenoid Valve
    Our Price: $ 89.95
    Retail:$119.99
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    $30.04 (25%)
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  • AprilAire 4007 Humidifier Orifice White 12-Pack

    (4007)

    …Part Number: 4007 Replace annually Regulates water flow in humidifier Fits AprilAire Models 110 and 220 Don't forget to clean or replace your inline strainer when you replace your orifice. Disconnect the power and shut off your water supply before servicing. 120 volts could cause serious injury…

    Our Price: $ 5.99
    Retail:$9.99
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    $4.00 (40%)
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    Discontinued Product. Read Description for Options.
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  • AprilAire 4021 Humidifier Orifice Red

    (Aprilaire 4021)

    …orifice annually, based on usage and water quality. Disconnect the power and shut off your water supply before servicing. 120 volts could cause serious injury from electrical shock. Don't forget to clean or replace your inline strainer when you replace your orifice. (Aprilaire 4021 / AprilAire 4021)

    Our Price: $ 7.95
    Retail:$9.99
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    $2.04 (20%)
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    Discontinued Product. Read Description for Options.
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  • AprilAire 51 Furnace Current Sensing Relay

    (Aprilaire 51)

    …wire through the top loop of the relay, the fan will turn on as the relay closes. This sensing relay can be used to simplify the installation of inline duct booster fans. AprilAire 51 Current Sensing Relay Specifications: Part 51 For 120 volt applications Relay closes when fan turns on Dimensions:…

    As Low As: $ 47.99
    Retail:$89.99
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    $42.00 (47%)
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