Andersen 100 Series Single Hung Sash Balancer Number 3040 Unit Number_AP42 200 Series Narroline (non-tilt) Double-Hung

200 Series Narroline (non-tilt) Double-Hung (1968 to present)

Andersen AR55 Awning Sash with Low-E4 Glass in Terratone Color Works with Perma-Shield Casement Windows manufactured from 1966 to Present

Andersen 244DH2030 200 Series Double Hung Upper Sash with White Exterior and Natural Pine Interior with Low-E High Performance Glass

Andersen DH3056E Combination Storm and Screen Unit - Terratone Color

Andersen CN4 Casement Sash - High-Performance Low-E4 Glass - White Color

Andersen 100 Series Single Hung Sash Balancer Number 3040 Unit Number_AP42 200 Series Narroline (non-tilt) Double-HungAndersen 100 Series Sash Balance Number 3040 Works with Andersen 100 Series Single Hung Fibrex windows manufactured from 2008 to present. Every balancer has the number stamped on the edge please see in image gallery. We highly recommend replacing both balancers even if only one is not operating properly. These balancers allow free and easy vertical movement of the lower active single hung sash. To visibly see the balancer you need to remove the lower