Genuine Replacement Aprilaire #4040 Solenoid Valve

The Aprilaire 4040 Solenoid valve allows water to come into your humidifier. If the solenoid is broken then water will not go into your humidifier unit.

VAC: 24

Watts: 2.3

Includes a new inline strainer.

Also, included is nuts, washers & replacement instructions.

Aprilaire Humidifier models 220, 224, 400, 440, 500, 550, 558, 560, 568, 600, 700, 760, 768

 Used in Lennox Humidifier Models: HCWB2-12, HCWB2 12A , HCWB2-17, HCWB2-17A, HCWB3-12, HCWB3-12A, HCWB3 17, HCWB3-17A, HCWP2-18, HCWB3-18A, WB2-12, WB2- 12A, WB2-17, WB2-17A, WP2-18, WB2-18A Replacement solenoid value for Aprilaire Humidifier models 220, 224, 400, 440, 500, 550, 558, 560, 568, 600, 700, 760, 768.

Use with GeneralAire 570, 570A, 570M, 5701X ,570XM, 900, 900A 900M, 900XM, 950, 950X & 1099LHS