roto casement operator

A home owner from jamestown nd says:
looking for a right hand casement operator. the numbers on them are OP05-7553-03 with a time stamp of 10/17/03 15:19:47. on the arm
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Paul from SWISCO responded:
When I cross-reference those numbers, I see our 39-329 and 39-330 operators pop up on more than one occasion. Carefully compare them to your own hardware to confirm that they're the same.
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