N.b. This will only fit a Bayliss XL Auto vent.
XL Power Tube
Replacement tube for XL Autovent
Length of XL power tube excluding piston : 7.38" / 18.75 cms.
Q. Will this opener fit my greenhouse windows. No, what i really mean is are greenhouse windows a standard size?
A. Most greenhouse roof-vents are around 2' x 2'. The Bayliss XL Vent is recommended for any building that in in an exposed area.
Q. Hi im about to purchase g/house. what is the best base/foundation. ie flags or concrete
A. Paving slabs are generally a better option than concrete as the joints between the slabs allow excess water to drain away.
Q. We bought a Hercules greenhouse from you in 2007 including auto vents. A cylinder needs replacing and it looks the same as this but don't know about the length. Is this one approx. 8 inches including end nuts?
A. Yes, the Replacement cylinder for XL Opener is approximately 8 inches long (including end nuts).
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8 reviews of Bayliss Replacement cylinder for XL Opener
by Pauline Harris
by Peter Holdcroft
by Martin D Smith
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by Romma Clements