Marvin Casemaster Egress Dual Arm Roto-Gear Operator

Marvin Casemaster, Obsolete Egress Dual Arm Roto Gear Operator, 10814800 10814801

The Marvin Casemaster was one of Marvin’s most widely installed casement windows from the late 1960s through 2010, and millions of homes still rely on its original hardware. Although the Casemaster line is discontinued, replacement operators, hinges, locks, covers, and sash components remain available—and identifying the correct parts can be challenging due to multiple generations of hardware. At AllBrandWindowDoorParts.com, we specialize in Marvin Casemaster replacement parts and provide clear identification guides, expert support, and fast shipping to help homeowners and contractors restore smooth operation to aging Casemaster windows. If your Marvin window won’t crank, won’t close, or needs new hardware, we’ll help you find the exact match.

CN 48* through CN 56 width, For sash with daylight opening width of 18 1/2" (470) through 22 1/2" (572)

Includes:
1 − Egress dual arm roto−gear
5 − #8x1" Phillips flat head wood screws (11800740)