Guess I should have looked up that model before I commented. I sure looks like a nicer model.
I've vacuum sealed chili before without freezing, I just had to make sure that the lip of the bag never got "chili'd". My model, though, is a flat model (Silver) so I don't know if that's different than how yours works.
18.5", 22.5" OTS
Large BGE (chambersuac's)
The Fiery Furnace (chambersuac's)
Big JT's Smokin' BBQ Competition Team