SWISCO - The Replacement Hardware Authority

Balances for a 45 pound sash

A quick learner from NYC says:
The website indicates that black tip, 5/8" balances are good for a sash weighing up to 40 pounds. I have a sash weighing 45 pounds, what balance should I use?
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Tom from SWISCO responded:
Before I can recommend anything, I need a bit more information. Can you confirm exactly what balance Series it is you're looking at? I assume it's the Series 600 spiral balance but I just want to be sure. Can you also confirm the length of the outer tube?
A quick learner from NYC says:
Yes, the 600 Series. The balances are 32 inch.
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Tom from SWISCO responded:
Great, thank you. We can definitely custom make this for you. Before we get started, can you just tell me how many you need? Once we have that we will email you an order form or price quote. Thanks!
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