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Where is the serial number on my window?


Each window has an individual serial number that correlates to the sizing, options and components of that specific window which will be formatted as either 99-15423-01 or K15274-01. On double hung windows, this will be located on the inside of the top frame. Other styles of windows may have the number on a label affixed to the sash.

Where is the serial number on my window?2022-06-30T12:09:18-05:00
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