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Marvin Window Opening Control Device

Crank-out Ultimate Casement and Double Hung are available with an optional window opening control device. This device limits window openings to 4” or less when engaged and can be disengaged for maximum opening. It automatically reengages when window is closed.

Field Applied Double Hung Window Opening Control Device

Factory Applied Casement Window Opening Control Device

Double Hung Window Opening Control Device Installation Instructions

See all Installation Instructions for Marvin Products.

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