The Bayliss automatic vent opener is the ideal solution for regulating temperature in your greenhouse. These solar-powered vent openers expand and contract to offer the ideal temperature based on the type you are using.
Models
MK7 Triple Spring Automatic Vent Opener
This is our standard automatic vent opener for BC Greenhouses. The perfect option for your roof vent openers or double-side vents. With three springs to help pull the vents shut and deal off your greenhouse.
Opening Range
55F (13C) to 70F (21C)
Hydraulicheck Automatic Vent Opener
For extra protection from wind, choose our Hydraulicheck AVO. This opener replaces the center spring with a hydraulic, slowing down the movement of the vent opener to prevent it from slamming shut on a windy day.
Opening Range
55F (13C) to 70F (21C)
Super Heavy Automatic Vent Opener
Our Super Heavy AVO is designed specifically for double glass roof vents and can handle up to 35 lbs. of attached weight.
Opening Range
60 F (16C) – 75F (24C)
Need replacement cylinders?
Need replacement cylinders for your greenhouse’s automatic vent openers? We offer them for purchase on our online store here.
Check out our BCG Roof Vent Cylinder Brochure or watch our video below for instructions on how to replace your cylinder.
