Andersen 1231 Narroline Sash Balancer Unit Number_34310 Andersen C4 Casement Sash -

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

This unit takes the place of a screen measuring 33-7/8" wide by 38-27-32" high

This sash has an unobstructed glass size of 39 inches wide by 27 15/16 inches high

Andersen TW20410 (Lower 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

This screen measures 39-7/8" wide by 70-27/32" high

Andersen 1231 Narroline Sash Balancer Unit Number_34310 Andersen C4 Casement Sash -Andersen 1231 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