The GeneralAire 7540 is the correct remote mount blower kit for the following humidifier models:
The GeneralAire RMB35 230V Remote Mount Blower Kit is a remote blower kit for Elite Series Steam Humidifiers, including the DS25 (LC) model. This kit includes the following items:
With the General Aire 7540 RMB35 Remote Blower Kit you will be able to complete installation of your steam humidifier and have it operating at full capacity. The GeneralAire humidifier can be mounted in an open space and this blower kit allows it to distribute steam throughout the house.
GeneralAire RMB35 230V Remote Mount Blower Kit specifications: