Window has no balances to measure.

A quick learner from USA says:

I am attaching photos of the window that needs channel lifters and a sketch with dimensions.
Thank you,
User submitted photos of window hardware.
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Paul from SWISCO responded:
Thank you for posting. It's hard to say what balances you need without any of the originals on hand. Would you happen to have an identical window elsewhere in the house that still has all its hardware? Otherwise, the best we can do is guess.

You could look at our S390-26 channel balance. This may fit in your channel, but again I cannot guarantee that it will work. You can weigh your window sash to determine what stamp option to use.
A quick learner from USA says:
Photos of pieces that need to be replaced. I will call you soon. Andrew
User submitted photos of a window balance.
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Tom from SWISCO responded:
Looks like you only sent pictures of the top attachment. We need to see the top and bottom to be sure. Your best bet is to simply compare the specs we show for the S390-26 to your own balance. If they differ in any way, let me know exactly how.
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