Help me

Question

I have no information on these windows and I'm in need of getting 4 replacement cranks

Emily · Accepted Answer

Hi there!

Take a look at the 39-253RB and 39-439B operators. The difference between them is the guide at the end of the straight arm as explained in the video below. Review the specifications and see if one of these assemblies matches what you need.

Please let us know if you have any questions!

Dimensions for 39-253RB

Dimensions for 39-439B