Grandio Greenhouses Automatic Greenhouse Roof Vent Opener


On Sale Now! Save 6% on the Grandio Greenhouses Automatic Greenhouse Roof Vent Opener by Grandio Greenhouses at Green Paso. MPN: GRA-AUTO. Hurry! Limited time offer. Offer valid only while supplies last. Automatically opens and closes the roof vent/window when temperature changes. The opener has a metal cylinder containing a mineral which expands when heated. This pushes a piston that opens the vent. As the temperature cools, the mineral shrinks and a spring closes the vent and resets the piston. The opening and closing of the vent is gradual allowing just the right amount of air flow for cooling.Opens roof vent automatically as temperature warms for air circulation and heat relief, Closes when


Grandio Greenhouses Automatic Greenhouse Roof Vent Opener by Grandio Greenhouses
4.5 out of 5 stars with 23 reviews
Condition: New
Availability: In Stock
$79.00
$74.51
You Save: 6%


Quantity:  

 


Product Description & Reviews

Automatically opens and closes the roof vent/window when temperature changes. The opener has a metal cylinder containing a mineral which expands when heated. This pushes a piston that opens the vent. As the temperature cools, the mineral shrinks and a spring closes the vent and resets the piston. The opening and closing of the vent is gradual allowing just the right amount of air flow for cooling.

Features & Highlights

  • Opens roof vent automatically as temperature warms for air circulation and heat relief, Closes when temperature cools
  • Starting opening point: 75° F to 80° F
  • Solar powered, heat activated
  • No electricity needed

Additional Information

Brand:
Grandio Greenhouses
Category:
Window Openers
Model:
GRA-AUTO
MPN:
GRA-AUTO
UPC:
859248005106
Part Number:
GRA-AUTO
Binding:
Electronics

 


Have questions about this item (GRA-AUTO), or would like to inquire about a custom or bulk order?


If you have any questions about this product by Grandio Greenhouses, contact us by completing and submitting the form below. If you are looking for a specif part number, please include it with your message.

First Name:
Last Name:
Email Address:
Your Message:

Related Best Sellers


mpn: VSE2460975044383PY,
After installed this temperature controlled automatic vent opener, your window will be a self opening one. It is solar heat sensitive that open the vent when weather warms up and then closing when it cools down. Really works well in maintain the gree...

mpn: Vent-L N002, ean: 0645490991492,
Universal Automatic Vent-L for vents, doors, greenhouses and polytunnels Vent-L is a unique, versatile, reliable device that does not require electricity, and works only on the raising of temperature in your greenhouse.Vent-L will protect your plants...

ean: 0761276162549,
Ingenious temperature-sensitive devices automatically open and close cold frame lids, greenhouse windows and even skylights throughout the day and maintain a constant interior climate, something impossible to achieve by manual adjustments. Requires n...

mpn: RINTOWAman9frgbgu, ean: 0765192731148,
Description: As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. It is ideal for your greenhouse window, to opens and closes your greenhouse window.   Specifications: ...