Crank operator assistance

A quick learner from USA says:
July 18, 2017
Attached is the picture of the operator I am looking to replace ..I also would like a crank for it. I have just received other operators that you have recommended they fit perfectly.
Thank you for your help, hopefully you can help me with this operator and crank.
Thank you
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User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
July 25, 2017
I'm afraid your operator is discontinued, and there is no known working substitute available on the market. However, I note that your operator has a metal sill-mount plate. I wonder if you could possibly use our 39-315 and 39-316. There is no guarantee that these will work, and it may require adaptation of the sill, but it could be worth considering. See what you think.
Truth Dyad Operator
Truth Dyad Operator
39-315
$24.40
Truth Dyad Operator
Truth Dyad Operator
39-316
$24.40
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
Truth Snap-Stud Bracket
Truth Snap-Stud Bracket
39-546
$3.22
Truth Snap-Stud Bracket
Truth Snap-Stud Bracket
39-545
$3.22
Stainless Steel Detach Clip
Stainless Steel Detach Clip
39-105
$0.84
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