Who can we contact for product related issues? Please visit our US.BALMUDA.COM, or call our BALMUDA Support at 833-333-1033, Monday-Friday between the hours of 9am-6pm, PST. Related articles How can I return my purchase? Does the surface of BALMUDA The Kettle get hot when boiling water? Where is my serial number? How do I clean? Where is my serial number?