Window Balances needed

Home Owner from Flprida
The numbers on my window balances are:

3470
3450
2965

When I measure the metal, not including the plastic hardware, technically the 3470 & the 3450s are about 34.5 inches long. And the 2965 is about 29.5 inches long. Each side of all balances are 1/2 inch wide.

I assume I would get balances in the series/catergory compatible with 3470, 3450, & 2965, but my metal lengths don't match your descriptions correctly, so I'm not sure which ones to get.

Can you please help me pick out the correct balances?
2 Replies
Tom
Tom from SWISCO
SWISCO
Expert

I'm not sure what you have, unfortunately. We have dozens of different balances with each stamp listed here, all of varying design and some even differing by length. They're not product codes or anything, they only indicate the strength of the spring.

In order to figure out what Series this is, I need you to remove an undamaged version one of these balances from the window and show me clear pictures of the top and bottom nylon fittings and the metal hook at the end of the cord. This is assuming that all balances are identical in configuration, aside from size; if they're all a different configuration, then we need to approach these one at a time.

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