Aprilaire Water Solenoid 4040

Aprilaire 24 volt water inlet solenoid valve P/N 4040.

Used with Aprilaire humidifier models 220, 224, 440, 558, 568, 600, 768

Genuine Aprilaire parts

Shipping rate for continental United States.  Contact us for rates to other locations.

$116.00

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  • Model: Aprilaire 4040
  • Manufactured by: Aprilaire
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August 11, 2025 by Linda K. (United States)
“Easy to find my air filters on the website. Customer Service picks up the phone immediately and is always very helpful and professional”
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August 11, 2025 by David Z. (Il, United States)
“Shortys is a great company to work with. Very customer focused.”
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August 9, 2025 by Arthur E. (United States)
“Been buying filters here for years. Price went up a little and when I checked around I found Shortys was still reasonable and we have had great service from them.”

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