balance option numbers

Home Owner from Gilroy California
Oct 30, 2009 3:37 pm
what does option 2740 mean for the S350-28 balance?
2 Replies

Casey from SWISCO
Nov 2, 2009 11:35 am


To determine the proper stamp option remove the window sash and place it on a scale.
SWISCO Series 350 balance, 28" with stamp option 2740 will carry a window sash weight range of 19 through 26 pounds.
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.
SWISCO Series 350 balance, 28" with stamp option 2740 will carry a window sash weight range of 19 through 26 pounds.
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.
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