Although one should not use on a ceramic hob cooker kind, which is also expressly mentioned in the package, I cook my coffee on it. The now does not mean that the boiler is not able to make coffee, but rather that one has to reckon with any scratches on the ceramic hob. But bothers me precious little, finally I only wanted one thing - coffee!
An asterisk deduction I have forgiven but unfortunately, because I every few days when I have the stove in use, the screw needs to tighten the knob in the lid holds. Here seems to be something abgenudelt arm until it is never properly fixed.
But otherwise - All in all, great product.