The GeneralAire 7073 is the correct replacement control assembly for the following humidifier models:
The GeneralAire 747-26 Humidity Control Assembly is a replacement control assembly for the GeneralAire Legacy Models 747 and 747L Humidifiers. The 747-26 control assembly provides you with extra versatility in operating your 747 Legacy humidifier. The GeneralAire 7073 is an OEM replacement part for your 747 model humidifier.
GeneralAire 747-26 Humidity Control Assembly specifications: