Andersen 637 Narroline Sash Balance Unit Number_AR28 Andersen TW24310 (Upper Sash) White

Andersen TW24310 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Finelight Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen 2042 Narroline Double Hung Upper Sash White Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

This unit takes the place of a screen measuring 19-7/8" wide by 42-27-32" high

Andersen 2680 Frenchwood Gliding Door Colonial Grille 7/8" Sandtone Exterior with Maple InteriorThis grille fits a door with the visible glass size of 21 1/8" wide and 79 1/8" high

Andersen C4 Casement Sash - High-Performance Low-E4 Glass - Terratone Color

Andersen 637 Narroline Sash Balance Unit Number_AR28 Andersen TW24310 (Upper Sash) WhiteAndersen 637 Narroline Sash Balancer Works with Perma Shield Narroline Double Hung Windows manufactured from 1968 to Present. Sash balancers are metal boxes that contain a nylon cord under tension. The balancer number is a code for the tension and the cord length. The proper balancer must be used to maintain the lower and upper sash in an open position. If you replace one balancer you should replace both balancers. Note: For instructions on how to