Customer Service Center

Please use the information below to contact customer service in your area. Make check payable to CWS Systems, Inc.. Be sure to write your account number on your check.

CWS Systems, Inc.

Send Payments To:
P.O. Box 11025
Lewiston, ME 04243- 9476

Office Address:
5701 Westpark Dr., Suite 101
Charlotte, NC 28217

Phone: 800-525-7990

Office Hours: Monday - Friday 8:00am - 5:00pm ET
Email: customerservice@uiwater.com
Fax: 704-525-8174

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