When I first bought this I was not told you had to keep it in the foam it is shipped in. The manual doesn't even say it. And you cut out foam for vents and digital display. Hence the small hole in the side for adding water. Then after 2 weeks it quit heating. After taking it apart I seen one of the 2 little stone like wafers broke in several pieces. I did finally find one to replace it thru AlliExpress. Now I need to know how to disconnect that annoying alarm!!!! I fight for 30 min or more every time I open the lid. It's impossible to candle the eggs. So if anyone has a wiring diagram on these I would love to see a copy. I want to cut that alarm wire!!!