IWC Window Balance Replacements

A home owner from Maui says:
Attached pdf file indicates the attachments, 27 in length, window weight of 17.6 lbs, and manufacturer markings. Per your website, I think I need to order the series 390, 27 in length, 19-002 top, 15-001 bottom, and weight range for 2630. Can you verify this before ordering this window balance?

Thanks!
Floyd
User submitted photos of a window balance.
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Tom from SWISCO responded:
If you have a 19-002 top and 15-001 bottom then our Series 390 sounds like a great choice. Just make sure all the dimensions match.
A home owner from Maui says:
Just received and installed the series 390 window balances as described in 17 Aug email for 2 windows. They work Great! Now that I know this series 390 will work, you can expect additional orders.

Thanks for your quick response and support.
Floyd
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Tom from SWISCO responded:
Glad to hear it, Floyd! Let me know if you ever need anything else.
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