Free Shipping on Orders Over $50
Free Shipping on Orders Over $50
SKU#: SKU:APRILAIRE4040
Low stock: 8 left
Couldn't load pickup availability
Alert me if this item is restocked.
We often restock popular items or they may be returned by the other customers. If you would like to be notified when this happens just enter your details below.
Aprilaire 4040 - Solenoid Valve, 24V, for Humidifier Model Series 400, 500, 600, 700
We respect your privacy and don't share your email with anybody.
Alert me if this item is restocked
Aprilaire 4040 Humidifier Solenoid Valve (aka Lennox 52P90) Controls how much moisture enters your humidifier, making it possible to maintain proper humidity levels throughout your home.
This valve is for Aprilaire Humidifier Models: 400/440/550/558/568/560/600/700/760/768
This solenoid valve is also used in the following Lennox Humidifier series:
HCWB2-12, 12A, 17, 17A
Most orders placed by 5 PM EST ship the same day, so you won’t have to wait for cleaner air. We stock the most common sizes and offer free shipping on orders over $50, making it simple to stay on schedule and keep your system running smoothly.
Learn more
For more than 70 years, our family has helped homeowners take care of their heating and cooling needs. What started as a small garage business has grown into a trusted online store. Every order is handled with the same care and commitment that has guided us since day one.
Learn more
We stock filters and home comfort products from trusted brands like Lennox, Aprilaire, and Honeywell. Each order is carefully packed and shipped ready to use. With Same Day Supply, you can count on dependable products, friendly service, and the right fit for your home.
Learn more
Alert me if this item is restocked.
We often restock popular items or they may be returned by the other customers. If you would like to be notified when this happens just enter your details below.
Aprilaire 4040 - Solenoid Valve, 24V, for Humidifier Model Series 400, 500, 600, 700
We respect your privacy and don't share your email with anybody.
Alert me if this item is restocked
Thank you, we have now received and recorded your request to be notified should Aprilaire 4040 - Solenoid Valve, 24V, for Humidifier Model Series 400, 500, 600, 700 be restocked.
We will only use your email for this purpose.
