Universal Greenhouse Auto Vent Opener 

by STC | Item  #: 548845 | Model #:  WINOPENC |
Universal Greenhouse Auto Vent Opener


Free shipping
  • $ 44 88
Non-members pay 10% surchargeJoin now!
Out of stock online
Select your Club  for price and availability
  • Shipping
  • Free shipping
  • Free Pickup
Delivery estimates, taxes, and fees are based on ZIP Code. Club Pickup orders are based on your club’s current price and item availability on the day of payment.

About this item


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




Member reviews & questions


Ask & Answer

Policies & plans

Shipping Information

Standard - 2 to 6 business days

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

    Warranty Information

    This product covered by the Sam's Club Member Satisfaction Guarantee.