Appendix D. Customer Service
Customer Service hours are from 8:00 AM to 5:00 PM, PST, Monday through Friday.
When calling, please be prepared to give the name and make of the unit, its serial
number and a description of its symptoms. If the unit should need to be returned for
factory repair it must be accompanied by a Return Authorization number from Customer
WTI Customer Service
5 Sterling
Irvine, California 92618
Local Phone: (949) 586-9950
Toll Free Service Line: 1-888-280-7227
Service Fax: (949) 457-8138
Email: service@wti.com
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