Worked fine for a month. Then I noticed that one day my tank was 93°C and the temperature on the heater read 54°. I twisted it a bit and it fixed, but after a few weeks it got stuck again and then it stopped working and started blinking E1. What a waste of money. I've had many space heaters over the years, some of which were pretty cheap, even ones that lasted more than a month. So disappointed!
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