How to Replace Your Greenhouse Roof Vent Cylinders - Video

 Bayliss Solar Vent Opener


Do you have a greenhouse roof vent that is no longer opening or not opening enough?

Over the years, the piston moving through the seals gradually wears the seal material away, allowing a gradual seepage of wax out of the cylinder. This reduces the pressure within the cylinder and needs to be replaced.   

Here is a 3 minute video on how to replace the cylinder: