Being the voltage the correct one for your grid (110/220V) and the wiring good, I guess you got a faulty unit...
You may have a point there... Personally, I always check device label(s) before plugin in... Don't trust online info (from vendor or other) or poorly translated (if you could call...
After searching, I'm getting different results on this... I'm confused...
The thermostat model in question is the WH7016E, and this is the temperature adjustment/setting accuracy, not the temperature reading/measurement accuracy...
Some vendors say 0.1ºC control accuracy...
Hi jabowery,
I have one of those thermostats, like your AT8001 except mine is 220V (also from ebay), and I'm getting around 90% hatch rates... Set to 37º low, 38º high.
Although, I think that buying that one you made the same mistake I did .. Please forgive and correct me if I'm wrong on...