4332 Damper Switch Assembly Kit for Aprilaire Humidifier Models 400, 500, 550, 550A, 558, 600 Humidifier Filter Replacement

Applicable model: Damper switch assembly for models 400, 500, 550 550A, 558, 600 | Part number: 4332 is a damper assembly kit for Aprilaire humidifiers | Size: The humidifier damper assembly measures 6.9 inches and is made of blades, springs, switches, Built to withstand regular use and maintain functionality. | Simple installation: The damper assembly switch is opened and replaced with a new one, and then the switch is fixed again to be used | If you have any questions, please leave us a message by logging into your Amazon Buyer account and we will get back to you within one business day.