Need help so I can replace crank arms for windows. Looking for parts
5 user uploaded images
2 Replies
Emily from SWISCO
Aug 30, 2022 2:49 pm
Hi there!
Your hardware looks like our 39-253LB and 39-253RB operators which use the 39-529 that's sold separately. Compare our dimensions with yours to see what you think. If you need new covers and handles, see our 39-451 and 39-452.
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