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Tom from SWISCO responded:
May 18, 2022
Hello! Sounds like you have an S900-17 spiral balance. If your sash is 20 pounds then the Yellow Tip option would be way too heavy. Blue is more appropriate but you should get an exact weight to be 100% sure. I advise against estimations for this kind of thing just to be safe. As for the pivot shoe, we don't have anything in those dimensions. Once again I think it's best if you get more precise numbers rather than estimations, which will require removing it. A photo of the pivot shoe would also allow me to pick something our from our inventory. In the meantime, you can see our 15-173, which is .546" thick and 31/32" wide, and our 15-167, which is 9/16" thick and 1" wide. Height doesn't really matter for these parts. |
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Tom from SWISCO responded:
May 23, 2022
Based on your dimensions, I'm personally leaning toward the 15-179. This is close to the numbers you gave. I figure that your old shoe just wore down a little over time, so we can safely assume that your dimensions were a little larger than what you're getting now. If you wanted peace of mind, you can see our return policy here. As for the spiral balance, with a sash weight of 25 pounds then the Yellow Tip would be the best option after all. A pair of balances with a yellow tip carries 24 through 34 pounds. |
