Check the listing for details. Andersen Window Sash Balancer Window Sash Counter Balancer Right Hand Balancer. Color: Silver, Condition: New. Listed at 51.87 USD. We are an Authorized Distributor for Andersen, Larson, Marvin, Pella, GU Ferco, Hoppe, Emtek, Roto, Milgard, Peachtree, Weathershield, and many more. Shop our store for your door and window hardware needs. Customer Service Hours Monday- Friday 8am-4pm CST This Andersen replacement Sash/Counter Balancer is used on Narroline Double-hung windows manufactured from 1968 to 2012.Balancers are used to maintain the position of the window sash.They are found above the upper sash in the head jamb, and are located on each side of the window.When replacing a balancer, we recommend replacing both balancers and the window side jamb liners.Please double check all requirements.1. Andersen 200 Series Narroline Double-Hung2. Measure Lower sash exposed glass. (all visible glass on the Lower sash)NOTE:Each window uses two balancers.This balancer is used on the right hand side of the window.To also purchase the balancer for the left hand side see 1626078.Replaces balancers with these identification numbers:12SRPriced and Sold Each