i bought a Synergy ozone generator from John Copley which performs extremly well for my ozone sauna treatments (i no longer drink ozonated water becaue i've found oral H2O2 (Hydrogen-Peroxid) to be much more effective and longer lasting. Synergy's run for around 600 and are the real deal. to buy a 3K ozone generator sounded like a joke for me from the beginning. hope you are able to resolve the warranty thing with Plasmafire, otherwise hit me up for info on getting the powerful unit that is making all the difference in my heatlh.