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Automatic Vent Opener for Greenhouse

The Automatic Vent Opener was designed to automatically control the temperature and humidity levels. It provides additional ventilation for all Palram – Canopia Greenhouses, making gardening easier. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of airflow into the greenhouse until the optimal temperature is reached. The vent arm was designed with the use of wax that expands with heat and contracts when it cools. The Automatic Vent Opener operates without the use of electricity.

  • Opens roof vent automatically as temperature warms for air circulation and heat relief,
    closes when temperature cools.
  • Solar powered, heat activated – start opening point: 12°-15° C
  • Mechanic system – no electricity is needed.
  • Suitable for all Palram – Canopia greenhouses with roof vents.
  • Easy to install.
Model: #701338

Rating and Reviews

4.89 (77 Reviews)
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Customer Reviews (77)
  1. ethanmiller Country: Ireland

    Functions very well , good product for its money

    Really interesting gadget.
  2. jamesbrown Country: Portugal

    Great vent

    It operates efficiently without requiring power.
  3. sophiamiller Country: Germany

    We were skeptical but proved wrong

    These openers are a great addition to our greenhouse

Assembly instructions & Certificates for Downloads

Automatic Louver Opener
Rion Automatic Roof Vent Opener
Automatic Greenhouse Vent Opener
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