YOW 225 TU/TUH Operable Window System STACKING MULLION OPTIONS (CASEMENT OUTSWING, BUTT HINGE) 1/2" FIXED FIXED OUT OUT Casement Outswing Shown, Casement Inswing Similar 3" [76.2mm] 1/2" 3" [76.2mm] E9-4518 FIXED FIXED OUT OUT Casement Outswing Shown, Casement Inswing Similar 3/4" FIXED FIXED OUT OUT 1/2" Min. 1-13/16" [46.0mm] E9-4562 Casement Outswing Only 2-1/2" [63.5mm] SCALE: 1/2 SIZE 0 Effective Date: October 1, 2020 | 05-1003-11 1 2 Page-55