Automatic Greenhouse Vent Opener: Solar heat-sensitive operation opens and closes a roof window as temperatures change, helping release trapped daytime heat and support airflow without wiring.
Temperature-Based Vent Control: Adjustable from 68 to 77°F, this greenhouse window actuator responds to changing heat levels to help manage daytime conditions in .
Opening Capacity and Load: Provides up to 18 inches of window opening and supports window weights up to 15 lb; check that the roof vent moves freely through the required range.
Aluminum Alloy Construction: The actuator measures 12.6 x 3.74 x 1.97 inches, providing the listed for checking clearance on a greenhouse frame before installation.
Frame Mounting Options: Clamp the unit onto or screw it to the greenhouse frame; suited to roof windows that can open freely, for garden greenhouse ventilation.
