Casement window operator

A quick learner from Jacksonville Florida says:
March 7, 2023
I nee.d to replace a window operator. Attached are pictures. The existing operator is marked as Truth with #31858 stamped on it. This appears to be the Swisscom 39-253RB. (Window hinge is on right hand side when looking fr
Pm outside to inside. Could you please confirm this is the correct part number?
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Lauren from SWISCO responded:
March 7, 2023

Hello, thank you for posting,

I agree that your operator resembles the 39-253RB as long as the dimensions match up to your original. This operator uses the 39-529 track slider. I cannot confirm from the pictures, but if the cover of your operator is built in, please review the 39-376 or 39-452 cover and handle depending on style preference. 

Let us know if you have any additional questions! 
Encore Dual Arm Operator, Sill Mount
Encore Dual Arm Operator, Sill Mount
39-253RB
$30.70
Encore Truth Folding Handle with Cover
Encore Truth Folding Handle with Cover
39-376
$11.97
Encore Truth Operator Cover and Handle
Encore Truth Operator Cover and Handle
39-452
$12.05
Truth Hardware Track Slider
Truth Hardware Track Slider
39-529
$1.20
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