Replacement Cylinder For XL Vent Opener

Dimensions: 8inch (20.5cm) long main body (including brass nut). For roof vents weighing up to 12lbs, approx. 30inch x 24inch (76cm x 61cm).

Exerts a load of 11lbs (5Kg) i.e. it will lift a vent weighing up to 22lbs (10Kg).

Can be set to start opening the vent at any temperature between 12-18 degrees Centigrade/55-65 degrees Fahrenheit, giving a maximum window opening of 12inch (30cm).

Supplied complete with comprehensive installation instructions.

Any models of the Bayliss XL purchased prior to 2017 have a different design and this cylinder will not fit. Rather the whole unit will need to be replaced.

Click Here to see full and comprehensive instructions for fitting this Bayliss Cylinder.
Click here to see disgrams and dimensions for the cylinder.