Adapter Plate Needed ?
A home owner from east patchogue says:
April 4, 2016
any way to tell if using 39-264 that i need adapter plate 39-362,as i dont know year of window
Dave from SWISCO responded:
April 5, 2016
Check on the glass at the corner of the window pane. The date when the window was manufactured might be etched in the glass there.