I did not appreciate having to pay 20 more per opener for the rion name when rion isn t even the manufacturer.
Rion automatic roof vent opener for optimal airflow.
Polycarbonate panels for 100 uv protection.
This rion roof vent kit provides additional air ventilation increases circulation and helps regulate temperatures.
The opener has a metal cylinder containing special material which expands when heated.
Manual adjustment for variable airflow.
The automatic vent opener was designed to automatically control the temperature in all rion greenhouses.
Can be fitted with the rion automatic roof vent opener item 47315 sold separately for automatic optimal airflow.
As the air inside the greenhouse warms the vent gradually opens to allow the correct amount of air flow into the greenhouse and closes when the optimal temperature is reached.
Provides and increases airflow.
Helps regulate temperature and humidity levels.
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.
The vent arm was designed with the use of natural wax that expands as the air gets warmer to push a piston which raises the window then contracts as it cools closing with the use of a spring.
As the temperature cools the material shrinks and a spring closes the vent and resets the piston.
The automatic vent opener was designed to automatically control the temperature and humidity levels and provide additional ventilation when needed making gardening easier.
As the air inside the greenhouse warms the vent gradually opens to allow the correct amount of air flow into the greenhouse and closes when the optimal temperature is reached.
This roof vent will also enable you to improve the sun rooms air circulation.
This pushes a piston that opens the window.
The automatic vent opener was designed to automatically control the temperature in all rion greenhouses.
Second these openers are not made by rion but by palhram and are in fact palhram 701338 openers which can be purchased for far less money in many places including this very web site.
Manual adjustment for variable airflow.
As the air in the greenhouse warms the vent gradually opens to allow the right amount of air flow into the greenhouse and shuts when the optimal temperature is attained.
Can be fitted with the rion automatic roof vent opener for optimal airflow.
The rion automatic roof vent opener is designed to automatically control the temperature in all rion greenhouses.
The rion automatic louver side window opener is designed to automatically control the temperature and provide additional ventilation in all rion greenhouses.
Aids in cooling your sun room on warmer days.
Automatically opens and closes the roof vent window when temperature changes.
