Aprilaire 400A
27 Parts Available for this Model

Chatted with customer service on what part to buy for our bbq. Very helpful. Gave me the exact page for our bbq. Very easy purchase!

Jul 01, 2016
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  Part Categories for Aprilaire 400A

Complete Units | Filters | Frames | Hoses, Valves, and Regulators | Other Parts | Tubing

  Accessories for All Humidifiers

Accessories | Chemicals | Tubing

  Model Description

COMPLETE HUMIDIFIER,400A Automatic Bypass Humidifier, 4000 Sq Ft

All Parts for Aprilaire 400A

Complete Units

Part No & Description Price
apr400A - Aprilaire Humidifier Unit Auto
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$203.99

Filters

Part No & Description Price
apr45 - Wick/filter For Aprilaire Aftermarket
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$34.84

Frames

Part No & Description Price
apr4407 - Water Distribution Tray
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$33.38

Hoses, Valves, and Regulators

Part No & Description Price
apr4004 - In Line Strainer
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$3.99
APR4231 - Orifice Yellow
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$2.66
apr4040 - Water Valve. ** Read External Info**
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$66.78
apr4403 - Scale Control Insert/float Chamber
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$19.99
apr4405 - Float Cover
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$15.12
APR4406 - Float Assembly Model 400
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$23.86

Other Parts

Part No & Description Price
APR4040OEM - Water Solenoid Vavle ( Oem )
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$126.44
APR4728 - Cover For Aprilaire
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$146.94
APR4332 - Damper Assembly
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$50.14
APR4410 - Water Level Sensor
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$57.02

Tubing

Part No & Description Price
apr4335 - Feed Tube With Compression Sleeve
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$15.96
DRAINTUBE - 1/2\ I.d. Drain Tubing. ."
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$0.00 Not Available

Accessories for all Humidifiers:

Accessories for all Humidifiers:

Part No & Description Price
AC-912 - Pan Tabets ( 6 Pack)
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$13.65
246 - Humidifier Treatment
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$15.65
T812 - Cutting Board 8 X12 Inch
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$4.99

Chemicals for all Humidifiers:

Part No & Description Price
FSRM6 - Humidafresh Rainforest Mist Water Treatm
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$11.03
FSCA6 - Humidafresh Cinnamon Apple Water Treatme
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$11.15
FSFV6 - Humidafresh Vanilla Water Treatment
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$5.13
AC802 - Humidifier Bacteriostatic Water Treatmen
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$11.28
1T-6 - Humdf Water Treatment32 Oz
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$11.80
AC816 - Extra Strength Humidifier Cleaner
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$11.22
FSOB6 - Humidafresh Ocean Breeze
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$5.13
3US-6 - Water Treatment Cleaner
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$11.22

Tubing for all Humidifiers:

Part No & Description Price
21581001 - Worm Gear Clamp, 5 5/8 - 6 1/2
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$1.99