Andersen 100 Series Single Hung Sash Balancer Number 2840 Color / Finish_Forest Green|Sandtone|White|Terratone|White Pre-1980 Andersen TW2442 (Upper Sash) White

Andersen TW2442 (Upper Sash) White Exterior and White Interior High Performance LowE4 Tempered Glass - No Grille Grommets This Sash has no grille grommets

Andersen A4 Awning Sash with Low-E4 Glass in Terratone Color Works with Perma-Shield Casement Windows manufactured from 1966 to Present

and 7 #8 by 1/2 inch Phillips pan head almond painted screws

Andersen 38310 Narroline Double Hung Upper Sash White Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen 100 Series Single Hung Sash Balancer Number 2840 Color / Finish_Forest Green|Sandtone|White|Terratone|White Pre-1980 Andersen TW2442 (Upper Sash) WhiteAndersen 100 Series Sash Balance Number 2840 Works with Andersen 100 Series Single Hung Fibrex windows manufactured from 2008 to present. Every balancer has the number stamped on the edge please see in image gallery. We highly recommend replacing both balancers even if only one is not operating properly. These balancers allow free and easy vertical movement of the lower active single hung sash. To visibly see the balancer you need to remove the lower