have never checked my bator,, but have never had a problem with hatching in it... i wouldnt worry bout it,, but thats jus me,, im kinda not the worry type,, unless something goes wrong, then i fix it,, but if it works,, is hard to fix
edit: ta add,,, im glad my bator will be empty tomorrow,,,hahahaha,, you guys gonna make me check mine lol
,, i just noticed the "2" ,, i thought i saw an "A" degree,,hmmm 2 is alot