1/2" Channel Balance Stamped 29 6 nl BSI

Home Owner from Jacksonville
Mar 5, 2012 7:43 am
I have a question on the option for this channel balance. When ordering the series 380 30" channel balance there is an option section reflecting various option numbers. I checked the channel balance attached to my window and it is stamped 296 nl BSI. There is not match. Not sure if the 2960 is the option I should select or not. One other note the number stamped on my channel balance has a space between the 29 and 6 (29 6).
2 Replies
Paul
Paul from SWISCO
Mar 5, 2012 12:34 pm
SWISCO
EXPERT
Thanks for posting! I believe that your stamp option would be 2960. However, if you aren't sure, please remove your sash from the window and weigh it.

The 2960 stamp option for the Series 380 channel balance supports a sash weight of 32 to 35 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.

Does your sash weight fit these perimeters?
Home Owner from Jacksonville
Mar 5, 2012 4:11 pm
Window sash weighs 32.2lbs. So looks like the 2960 would be the correct option.
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