Andersen 100 Series Single Hung Sash Balancer Number 3640 Unit Number_244GW4030 Andersen CN4 Casement Sash -

Andersen CN4 Casement Sash - High-Performance Low-E4 Glass - White Color

Andersen TW3462 (Lower Sash) White Exterior and White Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Screen measures 55-13/32" wide by 31-31/32" high

34310 cottage lower sash

Andersen TW30310 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass - No Grille Grommets This Sash has no grille grommets

Andersen 100 Series Single Hung Sash Balancer Number 3640 Unit Number_244GW4030 Andersen CN4 Casement Sash -Andersen 100 Series Sash Balance Number 3640 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