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Automatic Vent Opener - Gigavent - SEF115

Automatic Vent Opener - Gigavent
Greenhouses

Greenhouses

Cold Frame and Hotbed Gardening

Cold Frame and Hotbed Gardening

$129.00
  • In stock. Ships from our warehouse in Northern California.

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Buy big, save big with quantity discounts
  • Buy 10 for $116.10 each and save 10%

Use on Coldframes or Greenhouses

Ingenious temperature-sensitive device that automatically opens and closes coldframe lids, greenhouse windows and even skylights. Works throughout the day and maintain a constant interior climate, something impossible to achieve by manual adjustments.

  • Requires no batteries or electricity.
  • It can be adjusted to start opening between 60-77°F. Fully open at 86-90°F. Fully closed at 55°F.
  • Strongly recommended for all our glazed season extenders because it dramatically improves plant growth.
  • The hydraulic cylinder comes with a 1 year warranty. The average lifetime of the cylinder is 5-10 years, although some can last up to 20 years.
  • Lifts up to 65 pounds

Replacement cylinders are available.

Screw directly into polycarbonate panels, wood, or metal frames. Do you have lighter loads to lift? Use the Standard Vent Opener to easily open windows and vents weighing as much as 32 lbs.

Note from the manufacturer: It is not necessary to remove the cylinders during the winter. Recommended to lubricate the piston rod yearly, this will help extend the lifetime of the hydraulic cylinder. Don't use solid grease, as dust particles "glues" easily onto the piston rod and can damage the rubber. Also do not forget to unlock the vent in the winter if leaving the vent openers installed. Even a even a weak winter sun can heat the hydraulic cylinder sufficiently to make it start pushing the piston rod outwards.

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Related Content from ourGrowOrganic... for Life!

September 7, 2012 - Charlotte from Peaceful Valley
Use manure to turn a cold frame into a hotbed Warm up your cold frame with help from your friendly neighborhood horse. Horse manure will raise the temperature in a cold frame, and our automatic vent openers will keep the cold frame from over-heating.… read more»

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