Juliana Univent

Juliana Univent

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Juliana Univent More Details


Allows thermostatic ventilation control through the roof windows of your greenhouse. The Univent, which is spring-loaded for easy opening and closing.

Vent openers do not require electricity. The opener has a metal cylinder containing a mineral which 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 opening and closing of the vent is gradual allowing just the right amount of air flow for cooling. This control allows solar-powered control of top or side mounted window vents. These window openers have an adjustable opening temperature of 60°F to 75°F and an 18" maximum opening which would be reached at approximately 90°F. Features: Lifting capacity is 15 lbs. M Made from corrosion resistant aluminum & stainless steel Fits Perfectly on Most Greenhouses

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