Alphacool Eisbaer Pro Aurora 360 - Air Bubble Showing at top of pump head

dode1708

New member
I've just installed an Eisbaer Pro Aurora 360 on a TR4 board (replacing yet 'another' failed Enermax LiqTech II AIO). I replaced the supplied fans with Noctua NF12 ippc fans. Temps at idle (29) and load (60) are excellent. The question I have is that the perspex window at the pump head shows an air bubble. This clearly isn't interfering with the pump or cooling. Is this an intended design feature to allow you to see that the pump is running (the bubble oscillates in the window when the pump runs), or do I have air trapped in the pump housing? The radiator is installed above the pump at the top of the case (a Phanteks Evolve X). All advice appreciated. Thanks.

 

Luckystricker

Official Alphacool Staff
Staff member
Hi @dode1708

There must always be some air in an AIO. So that the water can expand when it warms up, as a pressure compensation.
You can try to get the air bubble into the radiator, but that only works if it is bigger. A small air bubble in the pump unit doesn't matter, you don't have to worry.

Best Regards
 
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