APRILAIRE 440

42 Parts Available For This Model

Right part, great price, and a web page that was easy to navigate. I was able to order the exact part that I needed without using a "universal fit" replacement. Excellent experience. ?

April 6, 2024

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Part Categories for APRILAIRE 440:

Accessories for all Humidifiers:

Accessories | Chemicals | Tubing

Model Description

Parts are available, however complete unit is no longer available and is re...

Owner's Manuals for APRILAIRE 440:

Owner's Manual (General) [pdf]

Complete Units

Ref.	Image	Part No & Description	Price
		apr600A - Aprilaire Complete Humidifier Quantity: 1 View Part Info	$262.65	In stock

Controls

Ref.	Part No & Description	Price
	APR56 - Humidistat For Autotrac Has Outdoor Temp Quantity: 1 View Part Info	$183.62	In stock
	apr4305 - Gasket Automatic Humidifier Control View Part Info	$7.80	In stock
6	apr4166 - Knob (top Cover) Quantity: 1 View Part Info	$19.99	Out of Stock

Covers

Ref.	Image	Part No & Description	Price
14		apr4162 - Top Cover For Aprilaire View Part Info		Not Available More information

Filters

Ref.	Image	Part No & Description	Price
9		a12 - Awp-12 #12 Pad Hard Wick Quantity: 1 View Part Info	$9.49	In stock

Frames

Ref.	Image	Part No & Description	Price
8		apr4081 - Distribution Tray For Quantity: 1 View Part Info		Not Available More information
13		apr4171 - Metal Frame Quantity: 1 View Part Info		Not Available More information

Hardware

Ref.	Image	Part No & Description	Price
		APR4066 - Screw And Clip Set View Part Info		Not Available More information
2		apr4086 - Screw And Clip Set View Part Info		Not Available More information

Hoses, Valves, and Regulators

Ref.	Part No & Description	Price
	apr4038 - Drain Spud Kit For Quantity: 1 View Part Info		Not Available More information
	APR4006 - O Ring For Bull View Part Info	$9.99	Out of Stock
	apr4103 - Stainer For Bullet Shaped Solenoid View Part Info	$19.49	Special order
1	APR4001 - Saddle Valve For Aprilaire View Part Info	$27.68	In stock
3	apr4232 - Orifice Blue Quantity: 1 View Part Info	$2.66	In stock
4	apr4040 - Water Valve. Read External Info View Part Info	$66.78	In stock
5	apr4004 - In Line Strainer Quantity: 1 View Part Info	$3.99	In stock
7	apr4079 - Feed Tube And Nozzle View Part Info	$18.08	In stock
16	apr4167 - Solenoid Cover View Part Info	$104.96	In stock

Other Parts

Ref.	Part No & Description	Price
	GA50 - Relay Current Sensing Quantity: 1 View Part Info	$47.27	In stock
	APR51 - Current Sensing Relay Quantity: 1 View Part Info	$47.73	In stock
	apr4280 - Shock Arrestor View Part Info	$129.20	In stock
	apr4039 - Plate Humidstat View Part Info	$13.50	In stock
	APR4040OEM - Water Solenoid Vavle ( Oem ) View Part Info	$126.44	In stock
4	SUHS24 - Solenoid View Part Info	$33.00	In stock
10	apr4080 - Scale Control Insert Quantity: 1 View Part Info		Not Available More information
12	APR4655 - Manual Humidistat View Part Info	$83.72	In stock
15	apr4163 - Lower Housing View Part Info	$120.49	Special order

Temperature Gauges

Ref.	Image	Part No & Description	Price
		apr8052 - Outdoor Temperature Sensor View Part Info	$17.02	In stock

Transformers

Ref.	Image	Part No & Description	Price
11		apr4010 - Transformer For Aprilaire Quantity: 1 View Part Info	$42.54	In stock

Accessories for all Humidifiers:

Accessories

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

Chemicals

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