Old Florida Crank window repair

Question

I need help identifying which crank handle to replace these old ones with. I am unsure if the handles were ever replaced. The windows were installed in 1970s. Thank you!

Tom · Accepted Answer

Hello! This looks like an old "box" type operator. These typically use a handle with a 3/8" gear bore; our 39-104 is a common sight and a good place to start.

Your first step should be to remove the existing handle and measure the hole diameter to ensure that it is the same size at 3/8". If so, I'm confident that our 39-104 will work.

Close up of the gear hole of the 39-104 window operator crank handle.