Heater questions

I run an Inkbird controller and I love it. It controls 2 heaters for redundancy. It has an App so you can see the temp of your tank at any time. It will also send notifications if anything is out of range. My tank’s temp stays very stable no matter how cold my wife runs the AC.
Can you link or tell me which Inkbird model does this?
 
I'm planning on to Jager Eheim heaters. Can you explain clearly to me how to set them and the controller? Not sure I follow you.
Set the controller to your desired tank temp, say 78f. So the controller will turn off the heaters at 78.
Set the ehiems to turn off at 80f.
If the controller fails on, that is it fails to turn off the heaters at 78 or above, they will turn themselves off at 80, preventing overheating your tank.
If you use an un controlled 'dumb' heater And the controller fails as above the heater stays on and you make fish soup.
 
Been a long time jagger user I have one that is over 10 years old. I bought one 6 months ago. At 6 months in and the heater thermostat has failed. INKbird saved the day. I've tried re-lowering thermostat and nothing works so I'm now reliant only on inkbird 😵‍💫
 
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I am looking to set up 2 heaters with a controller on a 180 gal. tank (+ 40 gal. sump). After a lot of research I thought I was going with Jager Eheim. When I looked at them at BRS the reviews were so bad and I rethinking my decision.

Any thoughts about Jager Eheim? Is the Jager E series better? I didn't see them on BRS but on reviews on youtube. They are new with some improvements so I'm not sure why they haven't replaced the Eheim.

I am open other ideas. I am looking for budget/reasonable price and longevity as much as possible. I had a tank 20 years ago. I guess I was lucky because I bought a cheap freshwater heater, no controller, through in the sump and in 5 years never had a problem, never replaced. Didn't know heaters were such a problem as it appears to be these days.

My return pump does have a temperature sensor so it will be another layer of safety for overheating but I do want to have a controller that will turn off if the range becomes too high. I know inkbird is popular, but again I saw a lot of people having problems. Controller ideas are welcome, too!

Thank you!
All I can do is tell you what I use and do:

I have two helios controllers, one for each 800w finnex titanium heaters. Those are set to a temp slightly higher than my apex controller, which is the main controller for temp for the tank.

So I have the helios as failsafe controllers, neptune as primary, and I run the heaters staggered, midnight-11:59am for one heater, 12:00pm-11:59pm for the other heater.

There's login in there that will use both, or use the other, if something is wrong and it is under temp.

I've read that i can monitor power as well and likely get a pre-warning when a heater is likely to fail because it is using more power than it should be... I should probably set that up next.
 

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