The Univent allows solar powered control of top and side mounted window vents thanks to its dual springs. Univent window openers have an adjustable opening temperature of 60° F to 75° F and an 18" maximum opening which would be reached at approximately 20° to 30°F above opening temperature. Univent openers are made from corrosion resistant materials including aluminum and stainless steel. Univents also feature a unique quick disconnect feature on the bottom of the unit which is useful when using the opener with a cold frame. This model is recommended for use with Grow More, Solar Harvest, & most other greenhouse vents. Order more than one and save!
Univent Features
- Adjustable opening temperature of 60° F to 75° F
- Maximum opening of 18"
- Recommended for vents up to 15 lbs.
- Quick disconnect feature for cold frames
- Equipped with dual springs for windy locations
How does a Greenhouse Autovent work?
A strong metal tube contains a mineral wax which expands with heat. This pushes a piston which opens the auto vent via a balanced linkage. As the temperature drops, the wax shrinks and a strong spring closes the vent and resets the piston.
Univent Opener Instruction Manual
Univent Opener Installation Video
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