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.





See all Installation Instructions for Marvin Products.
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If you live on the coast you deal with whatever Mother Nature throws at you. So...

If you live on the coast you deal with whatever Mother Nature throws at you. So do Marvin windows and doors. Check out our coastal solutions. http://bit.ly/PtUG6y

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