Aprilaire Humidifier Solenoid Valves and Orifices

4040-RP

$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.

4021

$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

$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.