Aprilaire 550A

42 Parts Available For This Model

      Quick delivery. Packaged securely. Sixty percent cheaper than if ordered directly from the mfr. Would definitely purchase again from AFP.

November 24, 2014
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Part Categories for Aprilaire 550A:

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 Description

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

Owner's Manuals for Aprilaire 550A:

Complete Units

Part No & DescriptionPrice
550A - Humidifier Complete Unit
Quantity: 1
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$152.68

Controls

Part No & DescriptionPrice
APR56 - Humidistat For Autotrac Has Outdoor Temp
Quantity: 1
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$117.95
apr4305 - Gasket Automatic Humidifier Control
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$4.73

Covers

Part No & DescriptionPrice
apr4225 - Cover Latch Spring
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$9.33
apr4222 - Cover With Latch And Label
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$77.90

Filters

Part No & DescriptionPrice
a10wr - Wicking Style Filter 709, Paper Material
Quantity: 1
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$8.58
a10 - Aprilaire #10 Pad Hard Wick
Quantity: 1
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$8.44

Frames

Part No & DescriptionPrice
APR4598 - Ionizer Frame Assembly
Quantity: 1
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$173.45
apr4217 - Filter Frame For Aprilaire
Quantity: 1
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$21.78
APR4218 - Distributor Tray For
Quantity: 1
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$19.96

Hoses, Valves, and Regulators

Part No & DescriptionPrice
A01-0814-148 - Water Valve 24 Volt
Quantity: 1
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$67.36
apr4229 - Saddle Valve Adapter
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$51.54
apr4004 - In Line Strainer
Quantity: 1
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$4.99
APR4001 - Saddle Valve For Aprilaire
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$9.99
APR4231 - Orifice Yellow
Quantity: 1
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$4.20
apr4184 - Nozzle For Aprilaire
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$10.92
apr4223 - Sold Each...drain Spud For Aprilaire
Quantity: 1
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$5.16
apr4040 - Water Valve. Can Also Use A01-0814-148
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$73.41

Other Parts

Part No & DescriptionPrice
apr4039 - Plate Humidstat
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$9.33
APR4040OEM - Water Solenoid Vavle ( Oem )
View Part Info
$99.99
apr4280 - Shock Arrestor
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$129.20
APR51 - Current Sensing Relay
Quantity: 1
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$38.68
GA50 - Relay Current Sensing
Quantity: 1
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$35.99
APR4655 - Manual Humidistat
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$52.94
APR4219 - Base 550
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$75.21

Panels

Part No & DescriptionPrice
APR4220 - End Panel Model 550
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$57.12
APR4221 - Duct Panel
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$52.99

Temperature Gauges

Part No & DescriptionPrice
apr8052 - Outdoor Temperature Sensor
View Part Info
$13.06

Transformers

Part No & DescriptionPrice
apr4010 - Transformer For Aprilaire
Quantity: 1
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$29.28

Tubing

Part No & DescriptionPrice
apr4226 - Feed Tube With Compression
View Part Info
$14.68

Accessories for all Humidifiers:

Accessories

Part No & DescriptionPrice
246 - Humidifier Treatment
View Part Info
$12.80
AC-912 - Pan Tabets ( 6 Pack)
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$13.65

Chemicals

Part No & DescriptionPrice
AC802 - Humidifier Bacteriostatic Water Treatmen
Quantity: 1
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$7.50
FSRM6 - Humidafresh Rainforest Mist Water Treatm
Quantity: 1
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$6.24
3US-6 - Water Treatment Cleaner
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$6.25
AC816 - Extra Strength Humidifier Cleaner
Quantity: 1
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$6.25
1T-6 - Humdf Water Treatment32 Oz
Quantity: 1
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$6.25
FSCA6 - Humidafresh Cinnamon Apple Water Treatme
Quantity: 1
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$3.99
FSFV6 - Humidafresh Vanilla Water Treatment
Quantity: 1
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$4.99
FSOB6 - Humidafresh Ocean Breeze
Quantity: 1
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$6.24

Tubing

Part No & DescriptionPrice
21581001 - Screw Clamp, 5 1/4 - 6 3/4
Quantity: 1
View Part Info
$1.99