Hi team, need some help identifying a capacitor (x3). They are the 3 blue devices in the image. Initially thought they were tantalums but the only detail on the
![Clearwater QC330T PCB.jpg Clearwater QC330T PCB.jpg](https://www.electro-tech-online.com/data/attachments/101/101735-724c39315c9ab749cfae0d77e076902f.jpg)
side is 104, no other detail, like a polarity is evident. For info, the PCB is from an old (at least 27 years) Clearwater QC330T Pool Chlorinator. Thanks in advance. Frazelled
![Clearwater QC330T PCB.jpg Clearwater QC330T PCB.jpg](https://www.electro-tech-online.com/data/attachments/101/101735-724c39315c9ab749cfae0d77e076902f.jpg)