Andersen 400 Series Tilt Wash Double Hung 722 Balancer Product Type_Screw Packs This aluminum frame screen is

This aluminum frame screen is held in place by 2 wing blades in the screen that protrude out into the window stop

2010 to Present

Works with these Narroline Gliding Patio Doors: NLGD5068

Andersen TW2052 (Upper Sash) Terratone Exterior and Natural Pine Interior High Performance LowE4 Glass - No Grille Grommets This Sash has no grille grommets

Andersen 20310 Narroline Double Hung Lower Sash White Exterior with White Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen 400 Series Tilt Wash Double Hung 722 Balancer Product Type_Screw Packs This aluminum frame screen isAndersen 722 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