Awning Window Roto Gear Operators

Marvin Casemaster, Awning, French Casemaster, Venting Window LH -10815500 ( Left Handed Unit ) Casement Window Crank Mechanism. Also known as the Marvin Casement Window Dual Arm Roto-Gear Operator | STR OT-P83 LH / OT-P84 RH

THIS REPLACES THE OLD STYLE UNITS THAT INSTALL UNDER / THROUGH THE BOTTOM SILL STOP.  Special Order Units - as shown in pictures. Handles and covera are sold seperately..   

Marvin Casement Window Parts - Dual Arm Roto-Gear Complete Assembly CN 20 and Over Daylight Opening Width 14 1/2" W and Over.

Includes: Dual arm roto−gear, LH − 10815500 OR RH, 10815501, Sash Track, Dual arm sash bracket, Folding handle, Folding handle cover, and screws ;

Confused by all these different parts? .. uplink? .. downlink? .. or straight link? .. We'll Be Glad To Help .. Just Email .. some good digital pictures of the types of mechanisms you have on your windows ..   Info@WeFixItUSA.com

Marvin Window Operators - Send Pics In Email: Info@windowpartsdoorparts.com  for best help and ID.

Encore & Maxim Selections, Dual Arm Operators For large casement / awning windows, up to 40" x 84" frame sizes and 96 lb. sash weights, egress applications allowed.