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The power supply would be unlikely to be exchanged unless it was bought in the UK and the wrong one was included, if it was ordered from mainland Europe, it would be considered a grey market product and it had the power supply that should have come with it.
201710 should have the latest software, I would look at how long it is pumping and if the pumping volume is greatly reduced.
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Roger Vitko
Tunze USA
"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"
Current Tank Info: 210 gallon planted tank with Altum Angelfish
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