Window crank assy

A contractor from West Virginia says:

April 1, 2024

See in picks the brand an part number of window , need a crank assy for that window , believe it would be a left side open , with back to jam it goes left to open.

Thumbnail of the uploaded file named casement window open

Thumbnail of the uploaded file named casement window operator

Thumbnail of the uploaded file named simonton window sticker

Emily from SWISCO responded:

April 3, 2024

Thank you for reaching out to us. Our 39-253RB and 39-439B come to mind. The best match will depend on the design of the guide used at the end of the arm as explained in the video below.

Ultimately, you'll want to remove your assembly from the window and compare the specifications to determine if one of these parts matches up.

Dimensions for 39-253RB

Dimensions for 39-439B

Encore Dual Arm Operator, Sill Mount

39-253RB

$30.70

Truth Hardware Track Slider

39-529

$1.20

Encore Dual Arm Operator, Sill Mount, Low Profile

39-439B

$38.64

How to Orient a Dual-Arm Operator

VIDEO

WATCH >

Comparing the 39-253LB & 39-438B Operators

VIDEO

WATCH >

Anatomy of a casement window

VIDEO

WATCH >

How to identify casement and awning operators

GUIDE

READ >

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