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Bob from SWISCO responded:
June 17, 2021
Hi Joyce. I am confident we can help, but that stamp code only tells us the strength of the channel balance, not it's identity. The only way to know for certain what balance you have is to send us photos of the nylon fittings on either end of the metal channel--their style is what determines the identity. Removing the balance from the window is the best way to get clear pictures. If in doubt, we recommend hiring a local pro to get the balances out. The videos below detail channel balance identification, and also show how to remove and replace the balances from the window. If you can email pictures to us at help@swisco.com, that would be great. Just be sure to include your discussion ID number, D219304, so we know what discussion to reference. I should add that Alenco windows have used our Series 395 balance in the past, so it wouldn't surprise me if you need our S395-28 with a stamp option of 2740. But again, removing the balance to check is the only way to know for sure. |
