A quick learner from North Carolina says:
I have some windows that match your 770 series balances that are marked 34A. I do not see "A" as an option when ordering them on the website. Can you help me with this issue?
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Tom from SWISCO responded:
We could custom make a balance with the 34A option. However, before we do, I'd like you to confirm that your window sash weight matches the strength of this option. Two balances with the 34A option can carry a window sash weight of 11 through 16 pounds.

If your sash weight falls within that range, then check out this Custom Channel Balance Request Form I've started for you based on your specifications and fill out the rest of the information. One of our representatives will get back to you with a price quote and an item to add to your cart.
A home owner from Emeral Isle, NC says:
The balances referenced above weigh 14.2 pounds. Do I need a custom channel balance for that weight or can I use a 34B.

Jim Robb
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Tom from SWISCO responded:
No, 34B is too strong. A sash weight of 14.2 pounds falls comfortably in the weight range for the 34A spring and I recommend that you go that route.
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