Marvin Electric and Manual Controls

NEW! Available exclusively from Natural Spaces Domes to allow you to have manual operation of Marvin Windows when located out of reach. Special hook with flexible knuckle fits over stem on window. Requires manual crank rod to operate.

One Hook with flexible joint for manual control rod.


ZCT 300 manual crank rod – telescopic 4′ – 10′


ZCT 100 – 3′ rod extension