Universal Greenhouse Auto Vent Opener 

by STC | Item #: 548845 |Model #: WINOPENC |


Universal Greenhouse Auto Vent Opener
Only sold in Club
Select a Club for pricing and pickup availability

Pick up for FREE
Delivery estimates, taxes and fees are based on zip code. For pickup orders, item availability and final purchase price are based on availability in your Club the day of order pickup.

Regulates your vent based on ambient temperature and works on all greenhouses.


This universal greenhouse vent opener opens and closes the roof vent on your greenhouse automatically based upon the ambient temperature.


  • Works on all greenhouses
  • Opens or closes based on ambient temperature
  • Easy to install

For questions or concerns regarding this product, please contact the Manufacturer's Customer Service Department at 1-877-407-9100.


Assembled Country


Assembled Size

9" x 1" x 2"

Component Country



Ask & Answer

Shipping Information

  • Delivery is not available to AK, HI or Puerto Rico

    Warranty Information

    This product covered by the Sam's Club Member Satisfaction Guarantee.
  • There is no additional information available for this item.