The Hamilton MA 042 is the correct replacement motor assembly for the following humidifier models:
The Hamilton Motor Assembly for 2D, 4D & 6HP - MA 042 is a replacement motor assembly for the Hamilton Model 2D, 4D, and 6HP Humidifiers. This 24 volt motor assembly slowly rotates your humidifier's drum assembly and filter pad through the water pan, and is controlled by the humidistat and transformer. This MA 042 motor is a genuine Hamilton humidifier replacement part and ensures the proper operation of your Hamilton humidifier.
Hamilton Motor Assembly for 2D, 4D & 6HP - MA 042 specifications: