Andersen 100 Series Single Hung Sash Balancer Number 3630 Product Type_Interior Wood Grilles Andersen 20310 Narroline Double Hung

Andersen 20310 Narroline Double Hung Upper Sash White Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen TW3032 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Tempered Glass - No Grille Grommets This Sash has no grille grommets

Andersen TW2852 (Lower Sash) Forest Green Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

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

Andersen FWG30611 "Frenchwood Gliding" Stationary Patio Door Panel

Andersen 100 Series Single Hung Sash Balancer Number 3630 Product Type_Interior Wood Grilles Andersen 20310 Narroline Double HungAndersen 100 Series Sash Balance Number 3630 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