RemStettler6 years ago000I have an aluminium allergy and cannot find a declaration for the pipe and heating element material. Thank you for your help Show in original language (German)Francesca Corrocher6 years ago+220According to the manufacturer, the water does not come into contact with raw aluminium in any machine. There are different materials for the different models: plastic or silicone hoses as well as stainless steel (e.g. boiler).Show in original language (German)Comment