Andersen 100 Series Single Hung Sash Balancer Number 2020 Unit Number_244GW3040 Andersen CN4 Casement Sash -

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

Andersen M946 Sash Balancer with Screws

2010 it will not have grille grommets in the sash and instead has a receiving kerf on the edge of the glass

Andersen TW38410 (Lower Sash) White Exterior and White Interior High Performance LowE4 Tempered Glass - No Grille Grommets This Sash has no grille grommets

Andersen TW20310 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen 100 Series Single Hung Sash Balancer Number 2020 Unit Number_244GW3040 Andersen CN4 Casement Sash -Andersen 100 Series Sash Balance Number 2020 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