Quote Originally Posted by Evolver View Post
Your welcome Katrina, There has been allot of flat tops broken due to the weight of a fully loaded 22qt canner. How it happens?... who knows it might be the temp + weight + a dropped something on the surface but it has happened.
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From what I have read, the problem is that most canners are larger than the heating "ring" on the stove and the high temps on the glass that is outside of the ring is too high and can crack the glass. My stove actually has a burner that I can chose to have a normal size burner area or I can also push a button to enlarge the area to accomodate the large pots and pans so I guess that is why I can use my pressure canner on my flat top. Also, my canner has a flat bottom so the temps do not fluctuate either since the whole pot makes contact with the stove. those are considerations you have to look at, it depends on your stove and it's features as to whether you can use a pressure canner.