Andersen 100 Series Single Hung Sash Balancer Number 1020 Unit Number_AX45 Andersen TW2462 (Upper Sash) Sandtone

Andersen TW2462 (Upper Sash) Sandtone Exterior and Natural Pine Interior High Performance LowE4 Glass - No Grille Grommets This Sash has no grille grommets

Andersen 2446 Narroline Double Hung Upper Sash Sandtone Exterior with Sandtone Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen TW3432 (Lower Sash) Terratone Exterior and Natural Pine Interior High Performance LowE4 Glass - No Grille Grommets This Sash has no grille grommets

Andersen 3432 Narroline Double Hung Upper Sash White Exterior with White Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen 100 Series Sash Balance Number 1640 Works with Andersen 100 Series Single Hung Fibrex windows manufactured from 2008 to present

Andersen 100 Series Single Hung Sash Balancer Number 1020 Unit Number_AX45 Andersen TW2462 (Upper Sash) SandtoneAndersen 100 Series Sash Balance Number 1020 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