Andersen 400 Series Tilt Wash Double Hung 520 Balancer Unit Number_244GW3036 Colored lights notify you when

Colored lights notify you when it is receiving a signal or if the battery is low

Andersen Anvers Style (Single Active) Exterior Hardware in Satin Nickel This is a half kit for the exterior of the door

Andersen 1846 Narroline Double Hung Lower Sash Terratone Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen 1124 Sash Balancer - Block and Tackle with Shoe

Andersen 400 Series Tilt Wash Double Hung 520 Balancer Unit Number_244GW3036 Colored lights notify you whenAndersen 520 Sash Balancer Block and Tackle with Shoe Works with 400 Series Tilt Wash Double Hung windows manufactured from 1992 to Present. This is a block and tackle balancer with a shoe. There are separate sash balancers for the upper and lower sash. Andersen made changes to the balanace design in November 2016. When replacing balances on windows before 2016 you'll need to order two. Note: This balancer may work on either Tilt Wash (DC) units