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Home  >  Model Lookup  >  400  >  Part List

Aprilaire 400 Parts : Part List

Diagram for 400
Water Panel Evaporator - 10 (5 - 2 packs)
SKU: 45 View #1 on Diagram   VIEW PHOTO
  View Part
$7728
 In-Stock
Scale Control Insert w/Float Chamber - 6
SKU: 4403 View #2 on Diagram   VIEW PHOTO
  View Part
$3875
 In-Stock
Water Distribution Tray
SKU: 4788   (Replaces: 4407) View #3 on Diagram   VIEW PHOTO
  View Part
$17149
 In-Stock
Base, Almond
SKU: 4404A View #4A on Diagram
Call for Availability
Base (blue/gray)
SKU: 4734 View #4B on Diagram
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Cover, Almond ( Obselete replaced by 4728
SKU: 4329 View #5A on Diagram
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Cover (blue/gray)
SKU: 4728 View #5B on Diagram
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Water Level Sensor Assembly
SKU: 4410 View #6 on Diagram
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Call for Availability
Water Solenoid Valve (24 Volt)
SKU: GF-GA4040 View #7 on Diagram   VIEW PHOTO
  View Part
$5899
 In-Stock
In-line Strainer
SKU: 4004A View #8 on Diagram
Call for Availability
Saddle Valve
SKU: 4001A View #9 on Diagram
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Orifice (Yellow) - 144 (12 - 12packs)
SKU: 4231 View #10 on Diagram   VIEW PHOTO
  View Part
$1015
 In-Stock
Feed Tube with Strainer, Orifice, Compression Sleeve and Nut
SKU: 4335 View #11 on Diagram
  View Part
$3114
 In-Stock
Transformer
SKU: 4010A View #12 on Diagram
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Automatic Humidifier Control
SKU: 56A View #13A on Diagram
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Automatic Digital Humidifier Control
SKU: 60 View #13B on Diagram
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Damper Assembly
SKU: 4332 View #15 on Diagram
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Name Plate, Almond
SKU: 4409A View #16A on Diagram
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Name Plate (blue/gray)
SKU: 4880 View #16B on Diagram
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Hole Plug, Almond
SKU: 4408A View #17A on Diagram
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Hole Plug (blue/gray)
SKU: 4741 View #17B on Diagram
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Resistor Case & Manual Mode Label
SKU: 4336 View #18A on Diagram
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Resistor Case & Manual Mode Label
SKU: 4737 View #18B on Diagram
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Float Assembly
SKU: 4406 View #19 on Diagram
  View Part
$3494
 In-Stock
Float Cover
SKU: 4405 View #20 on Diagram
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Automatic Humidifier Control Gasket
SKU: 4305 View #24 on Diagram
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Outdoor Temperature Sensor
SKU: 8052 View # on Diagram
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Saddle Valve Adapter - 6
SKU: 4229 View # on Diagram
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Shock Arrestor
SKU: 4280 View # on Diagram
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Blower Activation Relay - 10
SKU: 4851 View # on Diagram
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Current Sensing Relay
SKU: 50A View # on Diagram
Call for Availability
Aprilaire 4788 Humidifier Maintenance Kit, Series 400, 400A & 400M
SKU: 4788 View #1,2,3,8,10,11,19,20 on Diagram   VIEW PHOTO
  View Part
$17149
 In-Stock