Andersen 431 Narroline Sash Balance Unit Number_AR4 Andersen AW45 Awning Sash with

Andersen AW45 Awning Sash with Low-E4 Glass in Sandtone Color Works with Perma-Shield Casement Windows manufactured from 1966 to Present

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

This unit takes the place of a screen measuring 23-7/8" wide by 34-27-32" high

Andersen 2046 Conversion Kit for Narroline Windows - White Exterior / White InteriorThis kit fits an Andersen Narroline window with a visible glass size (lower sash) of 20 7/16 inches wide by 23 15/16 inches high

Andersen 1862 Conversion Kit for Narroline Windows - White Exterior & Natural Pine Interior

Andersen 431 Narroline Sash Balance Unit Number_AR4 Andersen AW45 Awning Sash withAndersen Perma Shield Narroline sash balancer 431. 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 either the lower sash or the upper sash in an open position. If you replace one balancer you should replace both balancers.