Paul from SWISCO responded:
July 11, 2012
Thanks for contacting us! I agree, I think that our S751-21 channel balance is a good match to your own hardware. You may also want to look at our 19-029 short S-clip. However, I can't really say what option you need. If at all possible, please take our your window sash and place it on a scale to weigh it. Any common bathroom scale will do. Once you have its weight, let me know, and I can recommend the most appropriate channel balance.
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Paul from SWISCO responded:
July 11, 2012
Thanks for getting back to us. I think you should go with the 20HD stamp option. This can carry a window sash weight of 17 through, and including, 20 pounds.
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. |