2830 Window balancer ID

A home owner from USA says:
Window balancer pictures.
User submitted photos of a window balance.
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Paul from SWISCO responded:
I would recommend looking at our S390-29 channel balance. This very well may be the match you're looking for, but just make sure our information matches yours.
A contractor from Altoona,PA says:
My balancer shaft length is 28 7/16. Is the standard 29" balancer 28 7/16 long?
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Paul from SWISCO responded:
No, our balances all end on the inch. With a stamp of 2830, the metal channel should be 29". Can you confirm? If it is 28-7/16", it may have to be custom made.
A contractor from Altoona,Pa says:
Positive balance is 28 7/16. Yes I need a custom balancer. Please quote for the custom size.
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Tom from SWISCO responded:
Gotcha, thanks for clarifying! That shouldn't be a problem, I just wanted to confirm. I would be happy to send you a price quote an order form, I just need to know exactly how many you wish to order.
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