Replacing missing channel balances

A landlord from Nashville, TN says:
November 8, 2010
I need replacement channel balances for 2 windows. I have photos I can send. One of the balances has BSI 2730 stamped on it. BUT the other window is the only one of its size and I'm not sure how to measure for a replacement and both balances are missing. The window weighs 17 pounds. can someone call me to help me order please. THanks,
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Paul Sr. from SWISCO responded:
November 8, 2010
Is the window missing the balances the same type and brand of your other window?

Attach some photos of your current channel balance system to your reply post.
A landlord from Nashville, TN says:
November 8, 2010
The window missing the balances is the same type and brand as the other window just a DIFFERENT SIZE.

One of the balances has BSI 2730 stamped on it. BUT the other window is the only one of its size and I'm not sure how to measure for a replacement and both balances are missing. I have a photo of a measuring tape on the window. The window weighs 17 pounds.

Thanks,
User photo of their BSI 2730 channel balance.
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Donna from SWISCO responded:
November 10, 2010
The balance attachments look like 19-005 top and 15-004 shoe. Order S385-28 with the option 2730.
A landlord from Nashville, TN says:
November 10, 2010
Thanks for your quick response. I've placed the order and looking forward to receiving the parts.
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