Eheim jager heaters: When to replace? What to look out for? Condensation?!

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philipraposo1982

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MFK Member
Feb 21, 2016
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Cambridge, Ontario
Hi Everyone,

I am a little concerned about my eheim jager 300W heater and need some advice on how to proceed.

I think the heater is about y ears old now. It looks to be in good shape but I notice that there is condensation inside the heater around the black portion. Is this normal? Does this mean I should replace it?

How do you know when its time to replace a heater? I obviously don't want it to fail and cause harm to my pets. Is there anything I should look for as a tell tale sign that the heater is on its way out?
 
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