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The Palram Automatic Louver Opener was designed to automatically control the temperature and provide additional ventilation for all Palram Greenhouses. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of airflow into the greenhouse and closes when the optimal temperature is reached. Its mechanism operates with a metal cylinder containing wax that expands with heat to push a piston, which opens the shutters, as the air gets warmer then contracts as it cools, closing with the use of a spring. The Palram Automatic Louver Opener operates without the use of electricity.

Palram Automatic Louver Opener Features:

  • Opens louver window automatically at warm temperature
  • Closes when temperature cools
  • Mechanic system, solar powered
  • Easy to install
  • Suitable for all Palram greenhouses with a side louver window

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