I bought this for home brewing. The only review stated that they used a 100 quart pan on the lower burner and a 60 quart on the upper burner. The manual states that the maximum size pot for the lower burner is 120 quarts and the upper burner is 30...

This worked great with my 100qt boiling pot on the bottom burner and my 60qt on top. The two burners on at the same time was no problem. That was my only concern when I purchased it. Would recomend to anyone and I have also bought there pots too that...