Park the machine on a level surface before beginning work
Package includes ten (10) shelf support clips
indicating the material has become brittle and is prone to failure at high RPMs
Cable is visibly frayed
4040 Humidifier Solenoid Valve 24V Water Valve ADQ56656402 Park the machine on a4040 Humidifier Solenoid Valve 24V Water Valve Key Features Controls water flow for whole house humidifiers Operating Voltage: 24V AC Includes in line strainer, compression sleeve, and nut Replaces Cross Reference Part Numbers AprilAire: 4040 Ranco: 4040 001 Compatibility & Fitment Designed for AprilAire Whole House Humidifiers. Compatible Models: 220, 224, 400, 400M, 440, 448, 500, 500M, 550, 550A, 558, 560, 600, 600M, 700 When to Replace Humidifier