39-096 Pella Window Gear

A home owner from USA says:
Good Afternoon:

Are there any more dimensional specifications for this model? It appears that I have a casement window that was not manufactured by Pella but incorporates a Pella gear mechanism that has failed. I'd like to be positive about the match before ordering.
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Tom from SWISCO responded:
That is odd! Pella hardware can't often be used for non-Pella windows. I'd be happy to help you, just tell me what dimensions you need, specifically. It may also help if you take a few pictures of your set-up. That would give us a better idea of what you have and what can work.
A quick learner says:
Tom:
Here are some images of the Pella mechanism. Can you confirm the model?
Thanks
Pete
User submitted photos of a window operator.
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Tom from SWISCO responded:
Looks like your operator is missing its arm, which is a very important component when it comes to identifying this kind of part. I'd say it's either our 39-096 or 39-176. Do you have the arm handy, or is it gone?
A quick learner says:
There is another similar window in this room, I'll ask mr daughter to photograph it and send it to me. I will forward upon receipt.

Thanks
Pete
A quick learner says:
Tom:
I have 3 images of the other window in this bay. I have attached for your review.

Thanks

Pete Cheyney
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Thank you! I think this looks most like the 39-175, wouldn't you agree? Just make sure to carefully compare them before you make your decision.
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