Automatic Roof Vent Arm Opener RION Greenhouses
Automatic Roof Vent Arm Opener / Automatic climate control, for RION Greenhouses ONLY.
- Works with all Rion's Models
- Opens vent window automatically at warm temperature for air circulation and heat relief. Closes when temperature cools
- Automatic respond to weather changes – no need to stay near the greenhouse.
- Opening temperature can be adjusted for specific needs
- Mechanic system – no electricity is needed
- Auto opener Roof is Temperature activated by a thermally powered piston so no batteries or motors to fail. One opener required for each roof vent.