Avoid diseases and pests in your plants by airing them out. Many plants do not tolerate high temperatures and high humidity. Thermovent is an automatic window opener in an aluminium-zinc coated steel look.

Work on most greenhouse roof windows in our store. This model also comes with Planta Automatic Window Package.

FEATURE

• Adjustable opening temperature of 60° F to 86° F
• Single springs
• Maximum opening of 17.71", Open force 15.43 Lbs
• Recommended for vents up to 30 lbs.
• Made in Denmark by Electro Galvanized Steel

Manual

Warranty: 2 Years

How does a Greenhouse Autovent work?
A strong metal tube contains a mineral wax that 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.

Your opener can be mounted all year round, however, your cylinder must be unscrewed by

1) Use of a heat source in your greenhouse

2) Winter storm, winter must be secured with the safety belt