Replacement balance for window

A handy person from Apopka FL says:

The balance is 30 inches long and the writing on IU t says S8 2950

I have included pictures of the balance and both ends.

If you could help me with which parts I need to order I would really appreciate it

Thank you

Linnea 

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Casey from SWISCO responded:

Hello and thank you for reaching out to us. Check out our S377-30 channel balance. This comes assembled with a 19-018 balance top and 15-005 bottom balance shoe. I encourage you to compare your nylon fittings with ours to confirm whether or not this is a match. If everything looks good, then you can go with the 2950 option that holds a sash weight of 28-32 pounds. 

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