SWISCO - The Replacement Hardware Authority

caradco casement window crank opening hardware, serial # on part 20755 left side

A home owner from Toledo, Ohio 43615 says:
need 2 complete units - old ones separated from worm gear and outside gear housing. think you have a replacement # 39-155 Is that correct?
Thank You, Lee Lemmon
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Tom from SWISCO responded:
I can't confirm if our 39-155 is a match for your operator. It has been associated with the 20755 serial number in the past, but those numbers change over the years and are not the most reliable method of identification. Your best bet is to carefully go over our measurements and pictures to be sure that it's the same part.
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