Andersen® 400 Series gliding windows use an active and passive window sash. To replace the window sash, follow the instructions provided in the YouTube® video and instruction guide below. To identify your window Series, complete Identify My Andersen® Window and Patio Door Worksheet.

Sash Replacement on Andersen® 400 Series Gliding Windows

To arrange for a professional to install your gliding window sash, we recommend Locating Andersen® Window and Patio Door Service Providers.

Installation Guide: Written instructions for replacing the active and passive window sash can be found in the Active and Passive Gliding Window Sash Replacement Guide (0004368) .

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