Aprilaire/GeneralAire #4040 replacement solenoid valve.
24 VAC
2.3 Watts
This solenoid valve will be sold as the GeneralAire valve.
If you wish to review the Genuine Replacement Aprilaire #4040 Solenoid Valve, please follow the link at the bottom of this listing.
Replacement solenoid value for Aprilaire Humidifier models 220, 224, 400, 440, 500, 550, 558, 526, 560, 568, 600, 700, 760, 768.
GA4040: used with 570, 570A, 570M, 5701X, 570XM, 900, 900A, 900M, 900XM, 950, 950X, & 1099LHS Flow Through Humidifiers
https://www.oemhvacpartscanada.ca/products/genuine-replacement-aprilaire-4040-solenoid-valve.html