Andersen 11R (10SR) Narroline Sash Balance Unit Number_C55 Sash lock is for a

Sash lock is for a left hand unit

This sash uses older style grilles with round end plungers that clip into the grommet holes

Andersen TW3056C (Lower Sash) Sandtone Exterior and Natural Pine Interior High Performance LowE4 Sun Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen TW20410 (Upper Sash) White Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen 3852 Narroline Double Hung Lower Sash Sandtone Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012

Andersen 11R (10SR) Narroline Sash Balance Unit Number_C55 Sash lock is for aAndersen 11R (10SR) Narroline Sash Balancer Right Side Works with Perma Shield Narroline Double Hung Windows manufactured from 1968 to Present. Fits on the right side as viewed from the outside of your home. 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 the lower and upper sash in an open position. If you replace