crank assy

A home owner from NJ says:
I have two bow windows.The two windows on the ends open.What assy goes on each. 39-090 or 39-089 .The crank handle on inside or outside
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Tom from SWISCO responded:

I'm afraid that I don't know what your question is. Are you asking whether the operator in your photo is the 39-090 or 390-89? If so, then the orientation is the same as the 39-089 .

Please note that this doesn't necessarily mean that that operator is the 39-089 ; it is too obscured for me to properly identify. All I can tell you is that they share the same orientation. The 39-090 would go on the opposite facing window.

If I've misunderstood your question, please elucidate and I will assist you as best as I can.

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