+1 on this. All standard hobby heaters are cheap crap, even the so called good ones I would never trust.
I use a titanium heating element only, controlled by a neptune controller. Ideally it would be a Ranco only or used in conjucntion, but either one is so much safer than hobby thermostate controlled heaters. I've been using titanium tubes for years and only had one break, completely my fault for exposing it to air suring a water change...it cooked its rubber endcaps. Finnex is the brand i use btw.