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Andersen 637 Narroline Sash Balancer
Andersen 637 narroline sash balancer 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. The proper balancer must be used to maintain the lower and upper sash in an open position. If you replace one balancer you should replace both balancers. Note for instructions on how to replace balancers click on the (size guide & instructions) tab above. Genuine andersen product Manufacturer Andersen, Part Rank Tools & Home Improvement Window Dressing Hardware 835, Available March 13, 2017

Price is $57.00

Price: $57.11