Tom from SWISCO responded:
September 22, 2014
That is an odd stamp, so I'm not sure what you have. Please remove the balance from the window and take a few pictures of it for us to see. I will specifically need to see pictures of the top and bottom. Thanks!
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Paul from SWISCO responded:
September 24, 2014
Thanks for the additional information! You have been very helpful. This looks like our Series 770 channel balance. As for moving it down, it may not be necessary. See our 62-200 screw plug, which you could install right in the jamb. Could that work for you?
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