335 Series 170 Coiled Balance Spring
Product Code: S170-335
This coil spring measures 3/4" wide, has a short tongue, and is stamped with number 335. This constant force balance spring is used in CertainTeed double hung windows; has a support weight of 5 lbs.
Balances are sold individually, however, it is a good idea to replace both window balances at the same time. Pairing a new balance with an old one would cause the new balance to wear out faster.
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