The VTi® Celtic Motors 5 Year Warranty ratifies that VTi® Celtic Motors are under the standards of cTUVus for a period of 5 years from their time of delivery. VTi® Celtic Motors are guaranteed against any abnormal degradation under normal use and operation according to Vertilux guidelines. Customers must pay close attention to the warranty’s specific inclusions and exclusions. Claims must be presented with the paid purchase invoice and addressed no later than 30 days after the observation of the defect.