Operator System for Casement Window

Question

I need help to identify the correct operating mechanisms for two of my Crestline replacement windows installed in 2003. Window description is provided in photos. The operator arm has Truth 31850 on it.

Casey · Accepted Answer

Hello, thank you for writing in! Take a look at our 39-315 and 39-316. Compare their dimensions to yours to ensure that this is a match. Good luck with your repair!