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Humidifier Parts and Chemicals Main Page


Aprilaire Humidifier Solenoid Valves and Orifices

# 4040-RP
Aprilaire humidifier solenoid valve 4040 24V
# 4007
Aprilaire humidifier white orifice for 110 and 120
# 4021
Aprilaire humidifier red orifice for 112 and 224
# 4231
Aprilaire humidifier yellow orifice

Part Number

 

Prices

Description

For These Models

4040-RPAprilaire humidifier solenoid valve 4040 24V

$49.99

Aprilaire humidifier solenoid valve 4040 24V

Replacement solenoid valve for Aprilaire furnace mount humidifier models 220, 224, 440, 550, 558, 560, 568, 760, 768. For models using 24 volt solenoids. Aprilaire humidifier parts are sometimes noted as being manufactured by Aprilair, April Air, or April Aire.

4007

Aprilaire humidifier white orifice for 110 and 120

$2.49

Aprilaire humidifier white orifice for 110 and 120

Replacement white orifice for Aprilaire furnace mount humidifier models 110 and 120. Aprilaire humidifier parts are sometimes noted as being manufactured by Aprilair, April Air, or April Aire. Original part number 4007.

4021

Aprilaire humidifier red orifice for 112 and 224

$2.49

Aprilaire humidifier red orifice for 112 and 224

Replacement white orifice for Aprilaire furnace mount humidifier models 112 and 224. Aprilaire humidifier parts are sometimes noted as being manufactured by Aprilair, April Air, or April Aire. Original part number 4021.

4231

Aprilaire humidifier yellow orifice

$2.99

Aprilaire 4231 Replacement Humidifier Yellow Orifice

These are the tiny nylon components which, accurately meter the flow of water into your humidifier. They allow a specific amount of water to go into the humidifier, some of which is evaporated and some which performs the important flushing action. This keeps the Water Panel clean and reduces maintenance to a minimal amount.The yellow orifice is sized to deliver 3 gph. They allow a specific amount of water to go into the humidifier, some of which is evaporated and some which performs the important flushing action. This keeps the Water Panel clean and reduces maintenance to a minimal amount.

For use with models 400, 500,  550, 550A, 558, 560, 560A, 568 & 600.


We also carry replacement Aprilaire humidifier filters.