Window mechanism

A contractor from Denver says:
My part matches your measurements from your piece in the website. Could you please let me know if your part it would work. A number in the short arm is 31876 and the long arm is 41011.

Thanks

Jorge
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Casey from SWISCO responded:

Hello,

As long as the specifications on our product pages match up to yours, your operator looks like a match to our 39-253LB and 39-253RB Encore operators, which use the 39-529 track slider. Thanks for posting! 

39-529 : Truth Hardware Track Slider
Truth Hardware Track Slider
39-529
$0.97
VIEW >
39-253LB : Encore Dual Arm Operator, Sill Mount
Encore Dual Arm Operator, Sill Mount
39-253LB
$29.70
VIEW >
39-253RB : Encore Dual Arm Operator, Sill Mount
Encore Dual Arm Operator, Sill Mount
39-253RB
$29.70
VIEW >
How to Orient a Dual-Arm Operator
How to Orient a Dual-Arm Operator
VIDEO
WATCH >
Comparing the 39-253LB & 39-438B Operators
Comparing the 39-253LB & 39-438B Operators
VIDEO
WATCH >
Anatomy of a casement window
Anatomy of a casement window
VIDEO
WATCH >
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