I bought this cooktop 2 months ago and am very happy with its features, appearance and performance.  I’ve noticed two issues since installation.  1 - I have a high pressure gas meter/service, yet some of the burners, when initially set to the lowest setting, do not maintain a flame.  They seem to need to warm up prior to using the lowest setting.  2 - Our cleaning service broke the stem of one of the control knobs recently while cleaning.  They are plastic and I’ve repaired it with heavy duty epoxy - hoping it holds.  I haven’t checked on the cost of replacement knobs yet, but guessing they’re pricey.