Window crank

A contractor from Arizona says:
Looking to replace this window crank. The gears on the wheel are stripped. It is a 25 inch wide window that opens and closes and 27 inch frame.
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Lauren from SWISCO responded:

Hello, thank you for posting! 

Your operator resembles either our 39-253LB and 39-253RB or our 39-438B and 39-439B. Please review the dimensions and the below instructional video regarding the difference between these two operators. 

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 >
How to identify casement and awning operators
How to identify casement and awning operators
GUIDE
READ >
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