SWISCO - The Replacement Hardware Authority

operator arm, down offset

A handy person from Ohio says:
I purchased 39-413.The offset is not correct. I need a down offset, this is an up offset. Can you help me with the correct part number?
User submitted image of their window hardware.
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Dave from SWISCO responded:
Thanks for your patience. The only off set arm available to us at this time is the 39-413, which offsets up. Do you think you could use something like the 39-027E operator instead? It has no offset at all.
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