

Hero image 0 of Aprilaire 4040 Replacement Humidifier Valve | 24 Volts | 2.3 Watts | 60 HZ By: Alpine Hardware?, 0 of 4
Aprilaire 4040 Replacement Humidifier Valve | 24 Volts | 2.3 Watts | 60 HZ By: Alpine Hardware?
Key item features
- Valve Functionality: This replacement solenoid valve controls water flow to whole-house humidifiers, turning it on and off, but does not regulate water volume.
- Integrated Filtration: Features a pre-installed strainer on the inlet side to capture clogging elements like dirt and sand, ensuring cleaner water delivery.
- Electrical Specifications: Operates on 24 Volts and 2.3 Watts, with a 60 Hz frequency, requiring electrical work to be completed by a professional contractor.
- Connection Details: Both inlet and outlet are threaded 7/16"-24 UNS for 1/4" tubing, including a compression nut, washer, and inline strainer.
- Model Compatibility: Compatible with Aprilaire humidifier models 220, 224, 400, 400A, 400M, 440, 500, 500A, 500M, 550, 550A, 558, 560, 560A, 600, 600A, 600M, 700, 700A, 700M, 760, and 768.
- Exclusionary Models: Not suitable for residential models 110, 112, 330, 350, 360, 445, 800, or commercial models.
Generated by AI
Specs
- BrandAlpine Hardware
- Humidifier typeHumidifier
- Power typeCorded Electric
- ColorWhite
- Rec. useResidential
- Height2.87 in
Price when purchased online
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About this item
Product details
About:The 4040 Aprilaire Replacement Valve by Alpine Hardware is a replacement humidifier solenoid valve manufactured for all humidifiers except residential models 110, 112, 330, 350, 360, 445, 800, and commercial models. The solenoid valve turns water on and off to your humidifier but does not regulate volume which is done by a different part called an orifice. Contains pre-installed strainer in the inlet side of the valve for capturing clogging elements in the water such as dirt and sand. Uses pre-existing compression fitting on the outlet side. Electrically operated and uses 24 volts and 2.3 watts. Manufacturer of this valve recommends that any wiring on your humidifier be completed by a professional contractor. Specifications: -24 Volts -2.3 Watts -60Hz -Orifice (3/32-3/64) NOT INCLUDED -Both the inlet and outlet are threaded 7/16'-24 UNS for accepting a compression fitting for ΒΌ' tubing. -Includes compression nut, washer and inline strainer. -The inlet includes the compression fitting & ferrule. -For the outlet, your existing compression fitting is reused. -NOTE: Manufacture recommends that any electrical work with your humidifier be completed by a professional contractor. Correct/Incorrect Models: Fits models 220, 224, 400, 400A, 400M, 440, 500, 500A, 500M, 550, 550A, 558, 560, 560A, 600, 600A, 600M, 700, 700A, 700M, 760 and 768. Does not work on models 330, 445, 110, 112, 350 and 360.
4040 Replacement Humidifier Valve for Whole House Humidifiers | 24 Volts | 2.3 Watts | 60 HZ By: Alpine Hardware
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.Β Β
Specifications
Brand
Alpine Hardware
Humidifier type
Humidifier
Power type
Corded Electric
Color
White
Warranty
Warranty information
Covers any manufacturing defects.
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Customer ratings & reviews
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Showing 1-3 of 13 reviews
Feb 9, 2025
Steve
5 out of 5 stars review
Verified Purchase
great service
I installed it immediately and it worked properly and fit exactly. however it started buzzing so loud I could hear it upstairs. called customer service and the replacement will be here tomorrow. gave 5 stars for the quick customer service.
Helpful?4SEBGPV4MIIT512325822
Jul 4, 2025
Cory
Top Reviewer
5 out of 5 stars review
Verified Purchase
As Described
Worked great in place of a much pricier part to fix my humidifier
Helpful?4SEBGPV4MIIT512325822
Apr 1, 2025
PAUL
Top Reviewer
5 out of 5 stars review
Verified Purchase
Works for the AprilAire humidifier Model 560
Works for the AprilAire humidifier Model 560 as expected
Helpful?4SEBGPV4MIIT512325822






