Yep, mine is the 4250. I’m not sure what difference there may be but it looks the same. Like Moony said, I’ve had much success with it. A friend gave it to me after he hatched some duck eggs one time. The built-in hygrometer quit working almost immediately while he was using it. I stuck an...
Definitely something to consider. I have some extra gadgetry in my Farm Innovators because the electronics went caput a long time ago. The fan blows and the heater warms, but it has no clue how much is enough.
I really don’t let that bother me. I do zero water until lockdown. Then, give em a splash to moisten things up. Some folks have more gadgets than eggs in their incubators. Soooooo distracting and unnecessary.