Aprilaire 550
44 Parts Available for this Model

Perfect transaction A+++. Easy web site to use, part was in stock, super fast shipping, very fairly priced. Highest recommendation; excellent vendor

Jul 15, 2014
[Click Images to Enlarge]

  Accessories for All Humidifiers

Accessories | Chemicals | Tubing

  Model Description

The Aprilaire 550 bypass humidifier is an economy unit designed for smaller homes. This unit utilizes a manual humidifier control that can be installed in the living area or on the furnace ductwork. Along with all other models (except model 448) it is equipped with a drain to flush minerals from the system. The model 550 has an evaporative capacity of 0.50 gallons per hour and can handle up to 3,000 square feet if the home is tightly constructed.

All Parts for Aprilaire 550

Complete Units

Part No & Description Price
APR550 - Complete Unit Going Nla D Ship From Lars
View Part Info
Not Available

Controls

Part No & Description Price
APR56 - Humidistat For Autotrac Has Outdoor Temp
View Part Info
$124.36
apr4305 - Gasket Automatic Humidifier Control
View Part Info
$4.73

Covers

Part No & Description Price
apr4222 - Cover With Latch And Label
View Part Info
$77.31
apr4225 - Cover Latch Spring
View Part Info
$9.33

Filters

Part No & Description Price
a10 - Aprilaire #10 Pad Hard Wick
View Part Info
$7.24
a10wr - Wicking Style Filter 709, Paper Material
View Part Info
$8.99

Frames

Part No & Description Price
apr4217 - Filter Frame For Aprilaire
View Part Info
$19.15
APR4598 - Ionizer Frame Assembly
View Part Info
$173.45

Hoses, Valves, and Regulators

Part No & Description Price
apr4004 - In Line Strainer
View Part Info
$4.99
apr4223 - Sold Each...drain Spud For Aprilaire
View Part Info
$4.20
APR4231 - Orifice Yellow
View Part Info
$4.20
A01-0814-148 - Water Valve 24 Volt
View Part Info
$67.36
apr4040 - Water Valve. ** Read External Info**
View Part Info
$73.41
APR4001 - Saddle Valve For Aprilaire
View Part Info
$9.99
apr4229 - Saddle Valve Adapter
View Part Info
$51.54
apr4184 - Nozzle For Aprilaire
View Part Info
$8.86

Other Parts

Part No & Description Price
GA50 - Relay Current Sensing
View Part Info
$35.99
APR51 - Current Sensing Relay
View Part Info
$38.68
apr4280 - Shock Arrestor
View Part Info
$129.20
apr4039 - Plate Humidstat
View Part Info
$9.33
APR4219 - Base 550
View Part Info
$75.21
APR4655 - Manual Humidistat
View Part Info
$54.06
APR4526 - Aprilaire 550 Duct Panel
View Part Info
$52.99
APR4040OEM - Water Solenoid Vavle ( Oem )
View Part Info
$99.99
APR4793 - Maintance Kit-see Desc For What Is Incl
View Part Info
$68.08

Panels

Part No & Description Price
APR4220 - End Panel Model 550
View Part Info
$57.12
APR4221 - Duct Panel
View Part Info
$70.76

Temperature Gauges

Part No & Description Price
apr8052 - Outdoor Temperature Sensor
View Part Info
$13.80

Transformers

Part No & Description Price
apr4010 - Transformer For Aprilaire
View Part Info
$31.84

Tubing

Part No & Description Price
apr4226 - Feed Tube With Compression
View Part Info
$14.68
35548801 - Drain Hose 10 Foot
View Part Info
$9.99

Accessories for all Humidifiers:

Accessories for all Humidifiers:

Part No & Description Price
AC-912 - Pan Tabets ( 6 Pack)
View Part Info
$13.65
246 - Humidifier Treatment
View Part Info
$9.53
T812 - Cutting Board 8 X12 Inch
View Part Info
$2.49

Chemicals for all Humidifiers:

Part No & Description Price
FSRM6 - Humidafresh Rainforest Mist Water Treatm
View Part Info
$6.24
FSCA6 - Humidafresh Cinnamon Apple Water Treatme
View Part Info
$5.23
FSFV6 - Humidafresh Vanilla Water Treatment
View Part Info
$5.13
AC802 - Humidifier Bacteriostatic Water Treatmen
View Part Info
$7.05
1T-6 - Humdf Water Treatment32 Oz
View Part Info
$6.25
AC816 - Extra Strength Humidifier Cleaner
View Part Info
$5.78
FSOB6 - Humidafresh Ocean Breeze
View Part Info
$5.13
3US-6 - Water Treatment Cleaner
View Part Info
$6.25

Tubing for all Humidifiers:

Part No & Description Price
21581001 - Screw Clamp, 5 1/4 - 6 3/4
View Part Info
$1.99