My Tefal kettle is 10 yr old now and I have really hard water. Looks like Tefal still maintains some quality, I've bought a sandwich maker 3yr ago and it still

My Tefal kettle is 10 yr old now and I have really hard water. Looks like Tefal still maintains some quality, I've bought a sandwich maker 3yr ago and it still works perfectly, their pans are still top-notch.