APRILAIRE 550

42 Parts Available For This Model

      All good. Parts as described on the website and worked properly on my grill. The grill should be good as new now.

November 16, 2021

Part Categories for APRILAIRE 550:

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

Accessories for all Humidifiers:

Accessories | Chemicals | Tubing
Model information

Model Description

The aprilaire 550 bypass humidifier is an economy unit designed for smaller...

Additional Model Information:

Saddle valves and transformer

Owner's Manuals for APRILAIRE 550:

Complete Units

Ref.ImagePart No & DescriptionPrice
APR550 partAPR550 - Complete Unit Going Nla D Ship From Lars
Quantity: 1
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Not Available More information

Controls

Ref.ImagePart No & DescriptionPrice
15AAPR56 partAPR56 - Humidistat For Autotrac Has Outdoor Temp
Quantity: 1
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$183.62

In stock

18apr4305 partapr4305 - Gasket Automatic Humidifier Control
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$7.80

In stock

Covers

Ref.ImagePart No & DescriptionPrice
7apr4222 partapr4222 - Cover With Latch And Label
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Not Available More information
17apr4225 partapr4225 - Cover Latch Spring
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$13.98

Out of Stock

Filters

Ref.ImagePart No & DescriptionPrice
a10wr parta10wr - Wicking Style Filter 709, Paper Material
Quantity: 1
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$15.40

In stock

1a10 parta10 - Aprilaire #10 Pad Hard Wick
Quantity: 1
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$16.43

In stock

Frames

Ref.ImagePart No & DescriptionPrice
APR4598 - Ionizer Frame Assembly
Quantity: 1
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$173.45

Special order

Hoses, Valves, and Regulators

Ref.ImagePart No & DescriptionPrice
8apr4223 partapr4223 - Sold Each...drain Spud For Aprilaire
Quantity: 1
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$6.58

Out of Stock

9apr4040 partapr4040 - Water Valve. ** Read External Info**
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$66.78

In stock

10apr4004 partapr4004 - In Line Strainer
Quantity: 1
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$3.99

In stock

11APR4001 partAPR4001 - Saddle Valve For Aprilaire
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$27.68

In stock

12APR4231 partAPR4231 - Orifice Yellow
Quantity: 1
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$12.37

In stock

16apr4184 partapr4184 - Nozzle For Aprilaire
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$13.78

In stock

Other Parts

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

In stock

APR51 partAPR51 - Current Sensing Relay
Quantity: 1
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$47.73

In stock

apr4280 partapr4280 - Shock Arrestor
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$129.20

In stock

apr4039 partapr4039 - Plate Humidstat
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$13.50

In stock

APR4526 - Aprilaire 550 Duct Panel
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$52.99

Special order

SUHS24 partSUHS24 - Solenoid
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$33.00

In stock

2APR4793 partAPR4793 - Maintance Kit-see Desc For What Is Incl
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$99.30

Out of Stock

4APR4219 - Base 550
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$75.21

Special order

9APR4040OEM partAPR4040OEM - Water Solenoid Vavle ( Oem )
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$126.44

In stock

15BAPR4655 partAPR4655 - Manual Humidistat
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$83.72

Out of Stock

Panels

Ref.ImagePart No & DescriptionPrice
5APR4220 - End Panel Model 550
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$57.12

Special order

6APR4221 - Duct Panel
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$70.76

Out of Stock

Temperature Gauges

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

Out of Stock

Transformers

Ref.ImagePart No & DescriptionPrice
14apr4010 partapr4010 - Transformer For Aprilaire
Quantity: 1
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$42.54

In stock

Tubing

Ref.ImagePart No & DescriptionPrice
935548801 part35548801 - Drain Hose 10 Foot
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$9.99

In stock

13apr4226 partapr4226 - Feed Tube With Compression
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$14.68

In 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
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$11.15

In stock

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

In stock

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

In stock

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

In stock

AC816 partAC816 - Extra Strength Humidifier Cleaner
Quantity: 1
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$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
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$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