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Replacement channel balance

Home Owner from USA
I need a pair of replacement channel balances for a NuAir single hung, non-tilting hurricane window. The sash weighs about 52lbs. The current channel balances are stamped: 34-16 JB5 CMC (34HP49-51). The metal portion is 35" long with a double spring inside.

Can you please tell me where I can get a pair.
User submitted photos of a window balance.
6 Replies
Tom
Tom from SWISCO
SWISCO
Expert
Thanks for posting! That is a very heavy sash. A replacement balance may need to be custom made. Before we can get started on that, though, I would like you to confirm the size of your bottom shoe. I believe you either have the 15-004 or 15-005, I just can't determine which. Look at their measurements and please tell me which is closer. Thanks!
Comparison of 15-004 and 15-005
Comparison of 15-004 and 15-005
Quick Learner
15-004
Tom
Tom from SWISCO
SWISCO
Expert
Great, thank you. I actually need one last piece of information and we'll be good to go! Can you tell me if this is for the bottom or top sash of your window?
Quick Learner
This is a single moveable sash window and the sash is on the bottom.
Casey
Casey from SWISCO
SWISCO
Expert
Thank you for getting back to us. I'll email you a custom balance ordering link shortly.
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