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Aprilaire 550 Humidifier Parts
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Tune Up Kit For Aprilaire Model 550, 550A and 558 Humidifiers
Tune Up Kit For Aprilaire Model 500, 500A and 500M Humidifiers  [More...]
MFG#: 4793
In Stock
$58.45
Aprilaire #10 Water Panel Evaporator, 2-Pack
(case of 2 Water Panels)
Original Factory Replacement Water Panel Evaporator for Aprilaire Humidifier Models 110, 220, 500, 550 & 558  [More...]
MFG#: 10
In Stock
$27.29
(case of 2)
Suggested: $39.98
You Save: $12.69
Aprilaire #4655 Humidistat
The Aprilaire #4655 is a low voltage humidistat designed to control humidification equipment. The 4655 replaces the older #4016 humidistat with new styling.  [More...]
MFG#: 4655
1 Week To Ship
$38.80
Suggested: $49.95
You Save: $11.15
Aprilaire #4004 In-Line Strainer
The In-Line Strainer is a small device designed to keep debris from entering the solenoid valve and should be checked annually for the build-up of minerals and grit.  [More...]
MFG#: 4004
In Stock
$10.80
Aprilaire #4040 Solenoid
Replacement solenoid for Aprilaire humidifier. (24 volt)
Humidifier includes inlet compression nut and washer.  [More...]
MFG#: 4040
In Stock
$64.25
Suggested: $78.40
You Save: $14.15
Aprilaire #4231 Yellow Orifice
The Yellow Orifice regulates the water flow into the humidifier.  [More...]
MFG#: 4231
In Stock
$6.70
Aprilaire #4010 Transformer
The Aprilaire 4010 Transformer converts 110 volts to 24 volts required by your humidifier.  [More...]
MFG#: 4010
In Stock
$22.80
Humiditreat Scale Reducing Inline Filter for Whole House Humidifiers
Humiditreat Scale Reducing Inline Filter for Whole House Humidifiers  [More...]
MFG#: 4190-02
In Stock
$33.95
Suggested: $39.98
You Save: $6.03
Page: 1  Showing 1 - 8 of 8 Products