Automatic Window Opener – Replacement Cylinder

$20.00

Status: In stock and ready to ship

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Replacement cylinder for the Grandio Greenhouse automatic window openers.

Fits both the Grandio Greenhouse Wall Louver Window Opener and the Grandio Greenhouse Roof Window Opener.

Automatically opens and closes the louver window when the temperature changes. The opener has a metal cylinder containing a mineral that expands when heated. This pushes a piston that opens the vent. As the temperature cools, the mineral shrinks and a spring closes the vent and resets the piston. The vent’s opening and closing gradually allows just the right amount of airflow for cooling. This Auto Louver Opener attaches to the Left Side of your Louver Window. Please call to order a Right Side Orientation Auto Opener for Louver Windows purchased prior to September 1, 2016.

Shipping Weight: 1 lbs

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