Tom from SWISCO responded:
July 21, 2016
I'm not sure what the problem could be. You mention that the old balances are almost identical. In what way were they different? Could you show me pictures of the old balance? I would specifically need to see the top and bottom nylon attachments, the metal clip, and the stamp.
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Paul from SWISCO responded:
July 28, 2016
This is puzzling. The spring strength of the old and new balances match. It should be perfect for sashes weighing 12 through 14 pounds. The hooks at the end of the cord on each balance looks almost identical. I'm wondering if the top sash guide might be damaged. Another thought: are there two holes punched in at the side of the window track? If so, try the other hole with the balance hook.
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