Andersen® 200 Series Perma-Shield® Narroline® double-hung windows use balancers in the upper left-hand and upper right-hand corners of the unit frame. The balancers assist in keeping the window sashes in place.
If you need assistance identifying your Andersen® products, visit our Identify Your Product
pathway in the Andersen® Window and Door Help Center. Contact Andersen® Windows and Doors today for assistance with a quote for replacement parts.

Head Jamb Liner Removed Showing Balancer
Replacement Parts
Replace both balancers to maintain identical tension between the left and right side of the sash. It may also be necessary to replace jamb liners, which can become fragile over time. Consider replacing all four (4) jamb liners: head, right upper, right lower and left. To order double-hung parts related to replacement balancers, choose from the links below.

200 Series Narroline Double-Hung Window Balancers 

Jamb Liners 
Installation
Review the video articles related to the balancer and jamb liner replacement: Balancer and Jamb Liner Replacement for 200 Series Perma-Shield® Narroline® Double-Hung Windows.
To arrange for a professional to install the replacement part, contact a Service Provider, see Locating Andersen® Window and Patio Door Service Providers.
©2025 Andersen Corporation. All rights reserved.