Originally used 35 liter cooler that ran for 8 months before a power surge knocked it out. Bought as a replacement and installed surge protection. The first device worked for a little over 1 month, then the fans stopped working, the second device worked for 2 months, now the LCD screen does not light up and the device does not work. 30-day non-refundable guarantee. Worst of all, the two blocks I received have a completely different electrical control system, so I can't even try to make a good block out of the two broken ones I have.
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