Mechanical warranty - a limited lifetime warranty is provided on all mechanical parts to be free from manufacturing defects in materials and workmanship under normal use for as long as the original purchaser owns their home. Electronic faucets, valves, and controls warranty - GROHE warrants that its electronic faucets, valves, and controls be free from manufacturing defects in material and workmanship under normal use for five (5) years from the date of purchase by or for the original consumer owner. Finish warranty - a limited lifetime warranty is provided on all GROHE product finishes to the original purchaser against manufacturing defects in materials and workmanship.