The Aprilaire 4332 Humidifier Damper Assembly fits Aprilaire humidifier models 400, 500, and 600. This is a damper assembly kit for humidifiers that includes a damper blade, spring, and knob.
The Aprilaire 4332 Humidifier Damper Assembly fits Aprilaire humidifier models 400, 500, and 600. This is a damper assembly kit for humidifiers that includes a damper blade, spring, and knob.