Dave Sr. from SWISCO responded:
November 11, 2015
I agree, the 39-002 appears to be our best match. In lieu of brand names, the most important thing is to make sure the measurements are the same. If yours match ours, I think it would be a great choice.
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Paul from SWISCO responded:
November 13, 2015
The operator with the gear actually pulled out of the housing, so you should be able to push out the window sash. If it won't push out then the lock might be engaged, the sash might be painted shut, or hinges are rusty. For painted shut sashes, you just cut away the sash from the winodw jamb channel with a utility knife. For rusty hinges, spray some WD-40, wait a few minutes, and then try opening the sash.
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