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Andersen 837 Narroline Sash Balancer
Match your windows (lower sash) visible glass size (width & height) to the chart Works with Perma-Shield Narroline Double-Hung Windows manufactured from 1968 to Present. 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. If you replace one balancer you should replace both balancers. Manufacturer Andersen, Part Weight 1.15 pounds, Dimensions 7.32 x 6.69 x 1.26 inches, Is Discontinued No, Material Glass, Metal, Rank Tools & Home Improvement Window Dressing Hardware 203, Available March 6, 2015

Price is $53.00

Price: $52.66