AprilAire Water Solenoid Valve (24 Volt)

Item # 312136604 | AprilAire Part # 4040 | UPC Code 686720404016 | UNSPSC Code 40101903 | Catalog Page #676
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Product Overview

The 4040 24 Volt Solenoid Valve controls the amount of water that enters your humidifier. This ensures that the right amount of humidity is delivered into the air every time it turns on. Usually installed by your contractor, the solenoid valve is part of the core of your humidifier, making it possible for you to adjust moisture levels with precision and accuracy.

  • Genuine Aprilaire humidifier replacement part
  • Ensures that the right amount of humidity is delivered into your home.
  • Controls how much moisture enters your humidifier, making it possible to maintain proper humidity levels throughout your home.
  • Compatible with Aprilaire humidifiers models 400, 500, 600 and 700.



Appliance Category
Appliance Parts
General Color Family
HVAC Product Type
Humidifier Accessory
Manufacturer Warranty
5 years fromstallation
Part Type
Humidifier Solenoid Valve
Product Depth (in.)
Product Height (in.)
Product Weight (lb.)
Product Width (in.)


5 years fromstallation