What size channel balance do I need

A home owner from USA says:
I need to order some 351 series window channel balances. I don't have the balances to get the part numbers from however I do have the height of the window panes and their approx weight . 2 pcs. for a 21" tall pane 10 lbs. ,4 pcs. for a 24" pane 15 lbs.,4 pcs for a 16" pane 10 lbs. ,2pcs for a 10" pane weighing 4lbs
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Paul from SWISCO responded:
Thanks for contacting us. This information is very helpful. I will go through each balance one at a time:

1) 21" pane, 10 pounds: S351-22 with a 2120 option

2) 24" pane, 15 pounds: S351-25 with a 2420 option.

3) 16" pane, 10 pounds: S351-17 with a 1620 option.

4) 10" pane, 4 pounds: This balance will actually have to be custom made. I will email you a custom balance order form, which includes a price quote. You can use this order form to add the special item to your cart along with the rest of these balances, then check out as normal. Please keep an eye on your inbox!
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