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Bob from SWISCO responded:
March 3, 2022
Thanks for posting. I am confident we can help, but these balances will have to be specially made due to their configuration. You have an older type that isn't made anymore, but fortunately we can fashion something that works the same way from various parts we carry. Specifically, I think we will be using our Series 770 plain channel balance, but we'll be swapping that terminal clip out for our 62-105 hook. That hook should then attach to a pivot shoe in the window jamb. Does that make sense? If you're interested, let me know the stamp printed on the metal channel, the length of the metal channel, and the exact weight of the sash they support. We need the sash weight since your old spring was probably calibrated a little differently than our Series 770. We'll have to suss that out on our end. Please be as precise as possible. Finally, how many balances do you need? Once I have that information, I can draft a quote for you. Note that if you need to replace the pivot shoes that these balances connect to, I will need to see one out of the window also. |
