What option for a Series 751?

Home Owner from Lakewood, CO
Aug 19, 2012 12:49 pm
The 20" series 751 channel balance (S751-20) looks to be an exact replacement for my broken channel balance. However, I need your advice on which strength to buy. My options are 19TG, 19HD, or 19R. My existing channel balance is marked e20K. It is a double pane, wooden window, clad in alumunim on the outside. Thanks.
3 Replies
Tom
Tom from SWISCO
Aug 20, 2012 12:00 pm
SWISCO
EXPERT
Good afternoon! Thank you for posting. Before I can offer an applicable stamp option for you, I would first need to know the weight of your window sash. You can determine this by removing it from your window and placing it on a scale. Let me know!
Home Owner from Lakewood, CO
Aug 20, 2012 5:39 pm
Thanks Tom. It weighs 9.8 lbs.

Tom
Tom from SWISCO
Aug 21, 2012 2:39 pm
SWISCO
EXPERT
Thank you. I would recommend the 19R stamp option, which can support a window sash weight range of 10 through 17 pounds. I think this will still work for your 9.8 pound sash.

Please keep in mind that the weight range 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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