12" Series 770 Balance

Product Code: S770-12

Product Description
Series 770 replacement 12" block and tackle channel balance system for a tilt window. Sold individually.
Stamp Option Sash Weight Range
B 7 to 10 lbs
C 10 to 16 lbs
D 16 to 18 lbs
*This information is based on 2 balances per sash. Balances are designed assuming friction in the jamb weather-strip will carry a portion of the sash weight. Suggested sash weights are approximate.
Good Idea!
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.
Helpful Tip!
The stamp option represents the strength of the channel balance. Locate the stamp on your channel balance. If your stamp does not match any of the stamp options available or you are unsure of which stamp option you should choose: ask our experts for help.
Customer Questions & Answers
Discussion # Of Replies Last Post Date
Bottom swivel part to double hung replacement windowThis discussion includes image(s). 3 Sep 18, 2017
Pivot shoe This discussion includes image(s). 2 Aug 11, 2017
Broken window partThis discussion includes image(s). 2 Jul 18, 2017
Pivot Arm from Uniframe WindowThis discussion includes image(s).This discussion includes video(s). 6 Jun 9, 2017
replacement partsThis discussion includes image(s). 2 Dec 14, 2016
Repair of Tilt Window Double Hung Vinyl Window Right Hand Side BalaneThis discussion includes image(s).This discussion includes video(s). 2 Nov 21, 2016
Window Channel balanceThis discussion includes image(s). 2 Sep 7, 2016
Window balance 4 Aug 12, 2016
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