Andersen R1431/27 Narroline Sash Balance Unit Number_2062 Andersen 2846 Narroline Double Hung

Andersen 2846 Narroline Double Hung Upper Sash Sandtone Exterior with Sandtone Interior Works with Andersen Narroline Double Hung 1968 to 2012

Works with Perma-Shield Casement/Awning Windows manufactured from 1974 to 1995

Andersen A6 Awning TruScene Screen - Natural Wood Interior

Andersen 2456C Narroline Double Hung Lower Sash Sandtone Exterior with Sandtone Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen R1431/27 Narroline Sash Balance Unit Number_2062 Andersen 2846 Narroline Double HungAndersen Perma Shield Narroline sash balancer R1431 27. 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.