G. Customer Service
Customer Service hours are from 8:00 am to 5:00 pm, Pacific Standard Time, Monday through
Friday. When calling, please be prepared to give the name, model, and serial number of the
unit, as well as a description of the problem. If the unit should need to be returned for factory
repair, it must be accompanied by a Return Authorization Number issued by WTI Customer
WTI Customer Service
5 Sterling
Irvine, California 92618-2517
(949) 586-9950
Toll Free: 1-800-854-7226
Fax: (949) 457-8138
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