The Ventomax opener allows solar powered control of top mounted window vents for a very affordable. Ventomax 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. Ventomax openers are made from corrosion resistant electro galvanized steel painted black. Recommended for roof vents only. Order more than one and save!
- Adjustable opening temperature of 60° F to 75° F
- Maximum opening of 18"
- Recommended for vents up to 15 lbs.
- For use with roof vents only
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.
Ventomax Opener Instruction Manual
Ventomax Opener Installation Video
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