Possible Roto window operator

A quick learner from Nutley, NJ says:
We have a bathroom window and operator is not working window is 15" X 34" may be a Roto part? Operator device, (inside) is 1 7/8 X 5 1/4 inches. Don't if I
we need entire operator or specific parts? (Arm sash bracket)
Thanks for your help
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
It appears that you have an older model casement operator. For a possible newer model, see our 39-092. We also carry the 39-224 handle and the 39-522 sash bracket if you need them. Have a look and make sure to compare these products to your hardware before you make a decision!
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