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Automatic Vent Opener

Specifications at a Glance:

  • Steel with paraffin in the vent opener cylinder
  • Rated to lift up to 15 lbs.
  • Depending upon installation, this vent opener will open a vent 12-18"
  • The opening temperature can be adjusted from approx. 65° to 80° F
  • 12" L; weighs 1/2 lb.

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Automatic Vent Opener

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Automatic Vent Opener - Item #11-229

$64.95
Qty.   

Heat-Sensing Greenhouse Vent Opener Works Without Electricity

This device opens and closes your greenhouse vent panels for reliable climate control even when you’re away! No electrical power is required. Fluid-filled cylinders expand in warm temperatures. You can raise or lower the temperature setting with a simple twist of the cylinder.

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REVIEW SNAPSHOT®

by PowerReviews
Automatic Vent Opener
 
4.0

(based on 1 review)

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Reviewed by 1 customer

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4/13/2009

(2 of 2 customers found this review helpful)

 
4.0

Great item

By Bob J.

from Rochester, NY

About Me Handyman

Verified Buyer

Pros

  • Extends Season
  • Weather Resistant

Cons

    Best Uses

      Comments about Automatic Vent Opener:

      We use the lifter on a home made cold frame and it works great.

      Bottom Line Yes, I would recommend this to a friend

      (2 of 2 customers found this review helpful)

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