Having trouble with the ozonator. I wish there was more complete information like an owners' manual with this. The check valve has to be replaced about every year on the Ozonator. Did that, then it quit working again. When the ozonator isn't working, the entire hot tub blows the circuit. Sill waiting for time to work on the ozonator again. Right now I have it disconnected. I am very good with electrical. Not sure what a person who can't fix things would do with this.  Otherwise the spa is fine.