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.





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The Marview Window was available in the 1960s and featured a stationary top sash...

The Marview Window was available in the 1960s and featured a stationary top sash and operating bottom sash. #TBT #HandcraftedinAmerica #Marvinwindows

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