APRILAIRE 400

38 Parts Available For This Model

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August 18, 2022

Part Categories for APRILAIRE 400:

Complete Units | Controls | Filters | Frames | Hoses, Valves, and Regulators | Other Parts | Temperature Gauges | Transformers | Tubing

Accessories for all Humidifiers:

Accessories | Chemicals | Tubing
Model information

Model Description

Eliminates standing water, making it the perfect choice for homes with sept...

Additional Model Information:

Remote sensing bulb

Owner's Manuals for APRILAIRE 400:

Complete Units

Ref.ImagePart No & DescriptionPrice
apr400A partapr400A - Aprilaire Humidifier Unit Auto
Quantity: 1
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$409.99

Special order

Controls

Ref.ImagePart No & DescriptionPrice
13APR56 partAPR56 - Humidistat For Autotrac Has Outdoor Temp
Quantity: 1
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$183.62

In stock

14apr4305 partapr4305 - Gasket Automatic Humidifier Control
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$7.80

In stock

Filters

Ref.ImagePart No & DescriptionPrice
1apr45 partapr45 - Wick/filter For Aprilaire Aftermarket
Quantity: 2
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$34.84

In stock

Frames

Ref.ImagePart No & DescriptionPrice
3apr4407 partapr4407 - Water Distribution Tray
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$33.38

In stock

Hoses, Valves, and Regulators

Ref.ImagePart No & DescriptionPrice
28115205 part28115205 - Flexible Bypass Hose 36 Inch
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$9.99

In stock

2apr4403 partapr4403 - Scale Control Insert/float Chamber
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$19.99

In stock

7apr4040 partapr4040 - Water Valve. ** Read External Info**
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$66.78

In stock

8apr4004 partapr4004 - In Line Strainer
Quantity: 1
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$3.99

In stock

9APR4001 partAPR4001 - Saddle Valve For Aprilaire
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$27.68

In stock

10APR4231 partAPR4231 - Orifice Yellow
Quantity: 1
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$12.37

In stock

19APR4406 partAPR4406 - Float Assembly Model 400
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$23.86

In stock

20apr4405 - Float Cover
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$15.12

Special order

Other Parts

Ref.ImagePart No & DescriptionPrice
GA50 partGA50 - Relay Current Sensing
Quantity: 1
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$47.27

In stock

apr4280 partapr4280 - Shock Arrestor
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$129.20

In stock

APR4040OEM partAPR4040OEM - Water Solenoid Vavle ( Oem )
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$126.44

In stock

4APR4404 - Base Model 400
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$87.96

Special order

5APR4728 partAPR4728 - Cover For Aprilaire
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$146.94

In stock

6APR4410 partAPR4410 - Water Level Sensor
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$57.02

In stock

15APR4332 partAPR4332 - Damper Assembly
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$50.14

In stock

16APR4409 - Name Plate Model 400
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$13.57

Special order

17APR4408 - Hole Plug Model 400
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$7.75

Special order

18apr4336 partapr4336 - Resistor Case And Manual
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$25.68

Out of Stock

Temperature Gauges

Ref.ImagePart No & DescriptionPrice
apr8052 partapr8052 - Outdoor Temperature Sensor
View Part Info
$17.02

Out of Stock

Transformers

Ref.ImagePart No & DescriptionPrice
12apr4010 partapr4010 - Transformer For Aprilaire
Quantity: 1
View Part Info
$42.54

In stock

Tubing

Ref.ImagePart No & DescriptionPrice
11apr4335 partapr4335 - Feed Tube With Compression Sleeve
View Part Info
$15.96

Out of Stock

Accessories for all Humidifiers:

Accessories

Ref.ImagePart No & DescriptionPrice
AC-912 partAC-912 - Pan Tabets ( 6 Pack)
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$13.65

In stock

246 part246 - Humidifier Treatment
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$15.65

In stock

T812 partT812 - Cutting Board 8 X12 Inch
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$4.99

In stock

Chemicals

Ref.ImagePart No & DescriptionPrice
FSRM6 partFSRM6 - Humidafresh Rainforest Mist Water Treatm
Quantity: 1
View Part Info
$11.03

In stock

FSCA6 partFSCA6 - Humidafresh Cinnamon Apple Water Treatme
Quantity: 1
View Part Info
$11.15

In stock

FSFV6 partFSFV6 - Humidafresh Vanilla Water Treatment
Quantity: 1
View Part Info
$5.13

In stock

AC802 partAC802 - Humidifier Bacteriostatic Water Treatmen
Quantity: 1
View Part Info
$11.28

In stock

1T-6 part1T-6 - Humdf Water Treatment32 Oz
Quantity: 1
View Part Info
$11.80

In stock

AC816 partAC816 - Extra Strength Humidifier Cleaner
Quantity: 1
View Part Info
$11.22

In stock

FSOB6 partFSOB6 - Humidafresh Ocean Breeze
Quantity: 1
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$5.13

In stock

3US-6 part3US-6 - Water Treatment Cleaner
View Part Info
$11.22

In stock

Tubing

Ref.ImagePart No & DescriptionPrice
21581001 part21581001 - Worm Gear Clamp, 5 5/8 - 6 1/2
Quantity: 1
View Part Info
$1.99

In stock