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Replace Lock and Keeper on Andersen® Single-Hung and Double-Hung Windows

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Replace Lock and Keeper on Andersen® Single-Hung and Double-Hung Windows
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Andersen® single-hung and double-hung windows use a lock and keeper to lock the upper and lower window sashes together. The lock has a movable handle that secures itself to the non-movable keeper.


Install Lock and Keepers on Andersen® Single- or Double-Hung Windows

To install a lock and keeper on your double-hung or single-hung window, follow the instructions provided in the YouTube® video or written guide below for your window Series.


Let's Get Started

1. Order Replacement Parts

Replacement lock and keepers can be purchased online at the Andersen Parts Store. Opens in a New Browser Tab Filtering your search based on your window Series can help you find the correct replacement part.

 

Contact Andersen® Windows and Doors if you would like assistance ordering the correct lock and keeper for your unit.

 

2. Installation

For assistance installing your window's lock and keeper, we recommend Locating Andersen® Window and Patio Door Service Providers in your area, or following the applicable instructions below.

 

A-Series

Click to View Details

 

Follow the instructions in the installation guide or YouTube® video below to install a lock and keeper.

 

Replacing the Lock and Keeper on A-Series Double-Hung Windows

 

400 Series

Click to View Details

 

Follow the instructions in the installation guide or YouTube® video below to install a lock and keeper.

 

Replacing Locks and Keepers on 400 Series Tilt-Wash Windows

The instructions in the YouTube® video are for 400 Series and Woodwright® double-hung windows manufactured before April 2017.

 

 

200 Series

Click to View Details

 

Follow the instructions in the installation guide or YouTube® video below  to install a lock and keeper.

 

Replacing the Lock and Keeper on 200 Series Double-Hung Windows

The instructions in the YouTube® video are for 200 Series double-hung windows.

 

 

100 Series

Click to View Details

 

Follow the instructions in the installation guide or YouTube® video below to install a lock and keeper.

 

Replacing the Lock and Keeper on 100 Series Single-Hung Windows

The instructions in the YouTube® video are for 100 Series single-hung windows.

 

 

©2026 Andersen Corporation. All rights reserved.

 

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