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  • Free Shipping On Orders > $125 (Continental US)
  • Hassle Free Returns

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Aprilaire Parts and Supplies

Need a replacement part for an Aprilaire product? Select from hundreds of Aprilaire replacement parts and supplies. We carry Aprilaire parts for many different units and would be happy to help you find something if you don't know what to look for! Call our customer support team at 888-623-4678

  • FREE Shipping on Orders Over $125 (Continental U.S.)
  • Low Price Guarantee
  • 365 Day Guarantee

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  • Aprilaire 4232 Orifice - Blue

    Aprilaire 4232 Orifice - Blue

    $11.07
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4223 Drain Spud

    Aprilaire 4223 Drain Spud

    $14.96
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire51 Current Sensing Relay Aprilaire51 Current Sensing Relay
    $53.52
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4630 HEATER 1180 Aprilaire 4630 HEATER 1180
    $129.21 Includes FREE Shipping in Continental U.S.
  • Aprilaire 4640 SCALE CONTRL INSERT Aprilaire 4640 SCALE CONTRL INSERT
    $26.04
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4217 Scale Control Insert Aprilaire 4217 Scale Control Insert
    $26.98
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 6506 6" RD CLOSED DAMPER Aprilaire 6506 6" RD CLOSED DAMPER
    $102.98
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4134 Master Switch Asmbly 2600 Aprilaire 4134 Master Switch Asmbly 2600
    $58.96
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4220 End Panel Model 550 Aprilaire 4220 End Panel Model 550
    $57.82
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4222 Cover Model 550 Aprilaire 4222 Cover Model 550
    $65.08
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4229 Saddle Valve Adaptor Aprilaire 4229 Saddle Valve Adaptor
    $52.75
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4566 RELAY, AC SAFETY 1150 Aprilaire 4566 RELAY, AC SAFETY 1150
    $95.01
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4567 RELAY, DC CONTROL 1150 Aprilaire 4567 RELAY, DC CONTROL 1150
    $43.63
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4574 INTERNAL BOARD CONTROLLER Aprilaire 4574 INTERNAL BOARD CONTROLLER
    $305.51 Includes FREE Shipping in Continental U.S.
  • Aprilaire 4664 POWER CORD 700A & 700M Aprilaire 4664 POWER CORD 700A & 700M
    $30.71
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4735 ORIFICE PLATE,LFP,AA Aprilaire 4735 ORIFICE PLATE,LFP,AA
    $55.99
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4031 Rubber Isolator - 6 pack Aprilaire 4031 Rubber Isolator - 6 pack
    $60.66
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4187 Drain Spud 350/360 Aprilaire 4187 Drain Spud 350/360
    $21.34
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4269 Float Valve Stopper Aprilaire 4269 Float Valve Stopper
    $18.63
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4333 NAME PLATE MODEL 600 Aprilaire 4333 NAME PLATE MODEL 600
    $22.38
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4585 VALVE ASSY,3/4"SWEAT DRN Aprilaire 4585 VALVE ASSY,3/4"SWEAT DRN
    $261.77 Includes FREE Shipping in Continental U.S.
  • Aprilaire 4737 LABEL,MANUAL MODE,ADHC Aprilaire 4737 LABEL,MANUAL MODE,ADHC
    $26.03
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire 4751 DUCT COLLAR DEHUMID 2/PK Aprilaire 4751 DUCT COLLAR DEHUMID 2/PK
    $34.47
    Free Shipping On All Orders Over $125! in Continental U.S.
  • Aprilaire #50 Current Sensing Relay Aprilaire #50 Current Sensing Relay
    $34.45
    Free Shipping On All Orders Over $125! in Continental U.S.
    2 Review(s)

    Out of stock

  • Aprilaire 4270 Pleat Spacer Aprilaire 4270 Pleat Spacer
    $20.70
    Free Shipping On All Orders Over $125! in Continental U.S.
    1 Review(s)

    Out of stock

  • Aprilaire 4040 Humidifier Solenoid Valve Aprilaire 4040 Humidifier Solenoid Valve
    $75.86
    Free Shipping On All Orders Over $125! in Continental U.S.

    Out of stock

  • Aprilaire 4010 24VAC Transformer Aprilaire 4010 24VAC Transformer
    $253.37 Includes FREE Shipping in Continental U.S.

    Out of stock

  • Aprilaire 4981 Internal Control Circuit Board Aprilaire 4981 Internal Control Circuit Board
    $182.74 Includes FREE Shipping in Continental U.S.

    Out of stock

  • Aprilaire 76 Living Space Control Aprilaire 76 Living Space Control
    $111.31
    Free Shipping On All Orders Over $125! in Continental U.S.

    Out of stock

  • Aprilaire 4004 In-Line Strainer Aprilaire 4004 In-Line Strainer
    $17.38
    Free Shipping On All Orders Over $125! in Continental U.S.

    Out of stock

Items 1 to 32 of 186 total

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