close
close
click to zoom in

Have Questions? Ask a Tech!

  • Genuine OEM Parts

    Offering genuine parts for your specific brand.

  • In-House HVAC Techs

    We help you diagnose, find, and install the part.

  • 1-Year Warranty & Returns

    Failed, or didn't need it? No hassle returns.

  • Expedited Delivery

    Offering competitively-priced expedited shipping.

Lennox 21N39 Humidifier Scale Control Insert

1 reviews Write a Review
$44.10
Brand
Lennox
SKU:
21N39
Condition:
New
Weight:
10.00 LBS
Shipping:
Calculated at Checkout
  • Technical Hot & Cold BBB Business Review

Lennox 21N39 Humidifier Scale Control Insert

$44.10
  • Part Info & Specifications

  • Lennox 21N39 Replacement Part

    Includes:

    • (1) - Lennox Humidifier Scale Control Insert (21N39)

    Specifications

    • Dimensions (LxW): 14 3/8" x 10"
    • Material: Plastic

    Replaces Old Lennox Part Numbers

    • 21N3901

    Replaces Old Allied, Armstrong, Concord, Ducane Part Numbers:

    • 21N3901

    Other Part Numbers

    10006102, CAV.1, Insert Scale Control, Scale Insert

    Fits Models:

    (Press ctrl + F to find model number below.)

    HCWP3-18-1, HCWP3-18A-1, WB2-17-1, WB2-17-2, WB2-17A-1, WB2-17A-2, WP2-18-1, WP2-18-2, WP2-18A-1, WP2-18A-2

    Fits Allied, Armstrong, Concord, Ducane, Magic Chef, and Magic-Pak Models:

    (Press ctrl + F to find model number.)

    HCWP3-18-1, HCWP3-18A-1, WB2-17-1, WB2-17-2, WB2-17A-1, WB2-17A-2, WP2-18-1, WP2-18-2, WP2-18A-1, WP2-18A-2

Worldwide Shipping
Genuine OEM Parts
Secure Shopping
1-Year Returns