We have some sunbeam humidifiers (models 699 adn 696). The nebulizers
(transducers) seem to have stopped functioning. All the parts suppliers say that these parts are now obsolete.
When I had some ultrasonic nebulizers stop working 30 years ago, I found that using the eraser end of a pencil to press on the transducer at the bottom of the reservoir reseated that and every one started working again. . . Use of a ~72-character linebreak is standard on Usenet.
Use of a descriptive Subject line is also standard.