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Palram Auto Vent Kit for Snap and Grow, Mythos and Essence

4.1 out of 5 stars 770 ratings

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Colour Gray
Material Aluminum
Brand Palram
Size One Size
Product Dimensions 25W x 76H millimeters
Operation mode Automatic
Global Trade Identification Number 00763552700438
Manufacturer Palram
Number of Items 1
UPC 100012734594 728131178428 763552700438

About this item

  • Opens automatically when temperature rises
  • Installs quickly and easily
  • Simple, oil-filled cylinder, no power needed
  • Replaces manual vent arm

Frequently bought together

This item: Palram Auto Vent Kit for Snap and Grow, Mythos and Essence
$100.89
Get it by Tuesday, Jun 17
In Stock
Ships from and sold by 鶹.ca.
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$71.48
Get it by Tuesday, Jun 17
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Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 40.64 x 7.62 x 7.62 cm; 449 g
  • Date First Available ‏ : ‎ Aug. 7 2012
  • Manufacturer ‏ : ‎ Palram
  • Place of Business ‏ : ‎ Mississauga, ON L5T 1W1, CA
  • ASIN ‏ : ‎ B002IOJJF8
  • Item model number ‏ : ‎ HG1005
  • Country of origin ‏ : ‎ Israel
  • Department ‏ : ‎ 586
  • Customer Reviews:
    4.1 out of 5 stars 770 ratings

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Technical Details

Department ‎586
Manufacturer ‎Palram
Place of Business ‎Mississauga, ON L5T 1W1, CA
Item model number ‎HG1005
Product Dimensions ‎40.64 x 7.62 x 7.62 cm; 449 g
ASIN ‎B002IOJJF8

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Product description

The Auto Vent Kit conveniently opens the window vent in your Snap & Grow, Mythos, Essence or Grow & Store Hobby Greenhouse. It is easy to install and no electricity is required. There is a liquid in the cylinder that expands as the temperature nears 70 degrees causing the vent to open. As the temperature drops the vent will close. Let the Auto Vent do the work for you.

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Customer reviews

4.1 out of 5 stars
770 global ratings

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Customers say

Customers like the functionality, value for money, and ventilation temperature of the can opener. They mention it works great, is a good buy, and is cheaper than getting it from Palram. Customers also appreciate the automatic vent opening at approximately 20 degrees and closing at 15 degrees. However, some customers have mixed opinions on the installation.

18 customers mention "Functionality"18 positive0 negative

Customers like the functionality of the can opener. They mention it works great.

"Works as intended. Yes, a bit of a challenge to install (Like any similarly fastened products). Worth the investment!" Read more

"Works great! Opens at about 25 Degs, direct sun. You might find that to calibrate to different operating temperatures a bit limited." Read more

"Easy to install and work as advertised. No complaints...." Read more

"...But this item is exactly what I was looking for. They work perfectly as discribed. Thank you!" Read more

8 customers mention "Value for money"8 positive0 negative

Customers are satisfied with the value for money of the can opener. They mention it's a good buy, effective, and cheaper than getting it from Palram. They also say it does a great job and puts two in the greenhouse for great air flow.

"...Worth the investment!" Read more

"Seems to be a decent product. First one has a fluid leak so it didn't work at all. Hope the seal holds on this one." Read more

"Does a great job put 2 in the green house for great air flow" Read more

"Good product must be brought in when winter comes or the cold will ruin it." Read more

3 customers mention "Ventilation temperature"3 positive0 negative

Customers are satisfied with the ventilation temperature of the can opener. They mention it opens at about 20 degrees and closes at 15 degrees.

"The auto vent opens at approximately 20 C and closes 15 C. Very impressed with the operation control to date" Read more

"Works great! Opens at about 25 Degs, direct sun. You might find that to calibrate to different operating temperatures a bit limited." Read more

"Automatic opening vent opener..." Read more

10 customers mention "Installation"6 positive4 negative

Customers have mixed opinions about the installation of the can opener. Some mention it's easy to install and works as advertised. However, others say the slotted bolts are hard to assemble and they dislike the bolts holding mounting plates as they are 5mm too short.

"Easy to install worked first time easy adjustments Dislike bolts holding mounting plates as they are 5mm too short" Read more

"Works as intended. Yes, a bit of a challenge to install (Like any similarly fastened products). Worth the investment!" Read more

"...No complaints. More expensive than other auto vent kits, but the easy install on a Palram greenhouse makes up for it." Read more

"Easy to install and works well" Read more

Top reviews from Canada

  • Reviewed in Canada on June 12, 2023
    Verified Purchase
    The auto vent opens at approximately 20 C and closes 15 C. Very impressed with the operation control to date
  • Reviewed in Canada on August 3, 2020
    Verified Purchase
    Works as intended. Yes, a bit of a challenge to install (Like any similarly fastened products). Worth the investment!
  • Reviewed in Canada on April 13, 2019
    Verified Purchase
    Works great!
    Opens at about 25 Degs, direct sun.
    You might find that to calibrate to different operating temperatures a bit limited.
  • Reviewed in Canada on March 18, 2019
    Verified Purchase
    Easy to install worked first time easy adjustments
    Dislike bolts holding mounting plates as they are 5mm too short
  • Reviewed in Canada on December 30, 2024
    Verified Purchase
    Stopped working in the first. I even bought another because the fitting was the same. I quit also. Garbage.
  • Reviewed in Canada on October 16, 2017
    Verified Purchase
    Easy to install and work as advertised. No complaints. More expensive than other auto vent kits, but the easy install on a Palram greenhouse makes up for it.
  • Reviewed in Canada on June 21, 2018
    Verified Purchase
    Seems to be a decent product. First one has a fluid leak so it didn't work at all. Hope the seal holds on this one.
  • Reviewed in Canada on April 16, 2019
    Verified Purchase
    I have to say I don’t normally do much for reviews. But this item is exactly what I was looking for. They work perfectly as discribed. Thank you!

Top reviews from other countries

  • KKeith
    5.0 out of 5 stars Roof Vent Opener
    Reviewed in the United States on April 10, 2024
    Verified Purchase
    i built custom a lean to greenhouse and needed to attach opener to low side of roof. Works great. although i would like to be able to control interior temp (opens at 64F) to warmer temps for my seedlings, this works well for my needs. piston runs vertical rather than horizontal (as with most), so piston doesn't stick downward and get in way when i need access the plants on the shelves. I adjusted the knob for extension to as far out as i could to limit the opening. this design doesn't have to go on mfg greenhouse, can be used for other types. Easy to install. Instructions give size 1 font and 1000 languages. Instructions are not good but if you have common sense, you can figure it out. Def use the "put it in the fridge instruction". The cold causes the wax inside to contract, making it easier to position. comes with lots of configuration hardware for attachment. i just screwed directly into my frame. customer service is quick to reply if you have questions. but they said it only works on the mfg greenhouse. not true
  • Ron C Jarvis
    5.0 out of 5 stars Works great!
    Reviewed in the United States on March 14, 2025
    Verified Purchase
    Works great!
  • Michael S.
    4.0 out of 5 stars Works well, could be sturdier.
    Reviewed in the United States on April 10, 2025
    Verified Purchase
    Works great. Install was trickier than I thought, but it fits and does the job.
    Only 4 stars because It could be a little sturdier. We had a wind storm a couple of months ago which destroyed the old one, my fault for not disabling it. But I wonder what a breezy summer day would do to this one. We’ll see.
  • Jonathan E Sugar
    5.0 out of 5 stars Game changer!
    Reviewed in the United States on June 9, 2023
    Verified Purchase
    This thing is ingenious! No inconvenience of going out and hand cranking an opening every time the temperature gets too warm or cold in your greenhouse ( which in some areas such as where I live that can go through many weather variations in a single day) I wasn't sure if it was worth the cost, but it was a very smart ad-on purchase. Remember to follow the simple installation directions precisely to get the oil inside gauged properly to adjust the vent opener to automatically react to the changing temperatures. One big tip: In winter if you are in cold climates that freeze, gently remove ONLY the oil filled rod part ( it was fairly easy to do) before everything starts to frost over and store it inside a warm place such as your home until it warms up in Spring. Freezing temperatures might mess with how this works as mentioned in one of the reviews I read before my purchase :-)
  • Retired Guy
    1.0 out of 5 stars Waste of Money
    Reviewed in the United States on May 17, 2022
    Verified Purchase
    I bought 2 of these to use on a small home greenhouse. They are reasonably well built and sturdier than many others I've bought over the years. I got them because I liked the design that doesn't have the cylinder sticking out at an odd angle. I mounted one on a small vent at the top of the back wall. Because the vent panel is less than 2 sq. feet, mounted vertically and pivots on a new stainless steel piano style hinge, there's very little force needed to open or close the vent. I adjusted the opener to start at about 70°F.

    The low rating is because the opener barely opens the vent even when the temperature in middle of the greenhouse is over 100°F. I've tried both openers and got the same results. I tested them both with a hair dryer and discovered that the maximum the shaft will extend is 2 inches, but they both can easily be extended fully manually. However, if extended fully manually, they won't retract when the temperature drops.

    I'm pretty sure both openers are defective, so called the number 鶹 listed for customer service during normal weekday operating hours. No one answered and it went to voicemail to leave a message. It's been almost 2 months since I purchased, so can't return to 鶹.