For over a year in operation of Kettles is actually constantly on our kitchen stove. If this so we constantly burning hot to boiling water. Despite this continuous load, the boiler has well proven. Visually and functionally a real highlight! The water can be good pour, without dripping and the grip is not too hot. The cleaning of the boiler works fine. The Deckelchen seated much what an accidental fall prevents the pour. 1 star deduction, however, there for the very quiet flute sound that produced the boiler for boiling water.