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Bienvenido al sitio web de ASCO

Bienvenido a nuestro sitio web.

Product Quality Notice Letter

Please download this letter for further information on the product notice.
Download Letter

Serial Number Checker

Please download and see if your transfer switch serial number is affected.
Download Serial Number Spreadsheet

Customer Letter and Response Form

If your serial number is listed please complete the form and return to
Download Letter & Form