andersen csmts. I have a home full of 1960s' Andersen csmts. #7073A

A home owner from fort collins,CO 80524 says:

I have a home full of 1960s' Andersen casements....I need new roto-gear operators... existing hdwr. has a number #7073A...base is 3 3/4" wide, screwholes are 31/8" wide arm lever is 7 1/2"......can you help? thank you, John

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Bob from SWISCO responded:

Unfortunately, this old Andersen operator has been discontinued and is no longer available. We don't have a direct replacement, but you could consider our 39-365 and 39-366 operators as a possibility. You would also need a new track to go with it. I recommend something like our 39-504 or 39-512. I can't be certain this will work, and it will take some adaptation no matter what, but see what you think. 

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