SWISCO - The Replacement Hardware Authority

Help! I ordered the wrong balance

A handy person from Washington says:
I placed and order online S350-26 with a 2510 option, seems like it is not the correct Channel Balance

The broken one that I have has on it: 26 4 JP CALDWELL, it is 27" long.
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Tom from SWISCO responded:
Thanks for posting. Is the Series 350 at least the correct combination of nylon attachments? If so, you might want to look at our S350-27 with a 2640 option. However, you should check the weight of your window sash just to make sure that the 2640 is appropriate.
A handy person from Washington says:
Need to know how to determine the weight of the window? Sash size is 44" x 30".

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Tom from SWISCO responded:
To check the weight of the sash, you will have to remove it from the window and place it on a scale. Any common bathroom scale could do. Take a look at our tutorial video below to see how to remove the sash. It is a quick and painless process!
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