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I'm at the point I need to replace my heaters and I instinctively started looking at titanium ones. After all BRS suggests them, there's a lot blogs about them, but then looking at it I'm struggling to see the real value. I understand that they're more durable, but I've never had a glass heater explode, especially ones that live in my sump full time. I've been using my Jagers for nearly 3 years now with a temp controller no problem.
In fact there are some clear disadvantages that I see with titanium heaters. Namely being you lose that internal temp backup. As it stands now I have my controller set at 78 and my Jagers set at 80. If for some reason my temp controller gets stuck on, my Jagers will turn themselves off when they hit 80. That's not an option with titanium. Additionally there's no status light on the titanium ones. Yes I know my temp controller will tell me that power is on to the heaters, but I like seeing that warm amber glow of the status light on the Jager to assure me all is well. With a titanium option if there was a short in the power cable or something died internally I'd never know the heater stopped working unless I physically touched it.
The gear junkie in me wants to order a new shiny set titanium heaters, but I just can't justify literally double the price. Any feedback is welcome.
Since you brought up this older thread I had a chance to read my own post and now reflect on it. I have NOT gone to a hot water loop as the cost has been prohibitive for the parts. Since writing the last post the heaters have been fantastic (as if they are challenging me) and I can't remember the last time I needed to replace one of them. I do have a brand new 800W sitting in a box just in case. Finnex has been my brand so far.I have had a LOT of glass heaters fail and went through a string of warranty replacements. Like every 3 months replacing. I had a glass EBJ explode in my QT tank but everything survived. I switched to titanium for my DT about 5 years ago and figured I was good to go. Not exactly true. I probably replace one of my titanium heaters (of 2) each year so the cost isn't really any less. BUT they have been more reliable than glass for sure. And you don't have to worry about breaking/shattering them. Still, the cost of replacement and operation is too high for the logical mind so I'm planning to switch to a hot water loop instead.
This is generally why I replace my heaters (regardless of brand) annually. That said recipients of my old eheims jaegers (regular variety) still use them 3+ years laterWhile I don't like raising the dead, I am a fan of adding history and context. Ironically I was Googling "how long should titanium heaters last" and I found my own post.
To build off my previous message in 2021. I did end up buying two of the new Eheim Thermocontrol E glass heaters and I had them both die on me in less than a years time! Eheim support is non-existent. I tried emailing or finding a number to call and never got a reply or response from anyone.
I ended up buying two 250w titanium heaters in Sept 2022. They are labeled as D-D, but I believe D-D are just the company in the UK that gets the from Schego. There's some discussion that the ones with grey tops are from somewhere else than the ones with purple tops, mine had purple tops.
Either way; less than 2 years in and one has died on me. To be fair I'm not sure when it died. Like in my very original post on this thread my concerns about not knowing when it died were well founded. The single 250w was able to keep up and heat the tank well enough. It was only this past weekend when I was doing something in the sump and had to move the heaters I noticed one was cold and the other was hot.
I don't know what the lesson is here, if I'm just unlucky, or if it's that few things these days are really built to last. I've reached out to D-D for a warranty claim so we'll see how that goes. Though I definitely am moving aquarium heaters into my list of most hated devices.. right next to printers.