Windows -1984 . Have narrowed it down to part # 18-116 & # 18-115 from customer questions & yr site .Seem s 115 is the closest -exact fit . Wondering what yr think .Greatlly appreciate it -thank you .
Tom from SWISCO responded:
January 13, 2016
Thanks for posting. Looking carefully over your pictures and dimensions, our 18-009 may be closer. See what you think.