Will fit a window weighing 12.5kgs (28lbs) exerting a load of 6.5kgs (14lbs).
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BAYLISS XL Autovent - full retail package Brand new 2012 stock available for immediate despatch. We usually ship all orders received by 3.00pm the same day. Offered with a manufacturer backed full . Opens greenhouse roof vents as the temperature rises, automaticaly closes as temperature drops. Automatic Greenhouse Window Opener, Simple, Strong & Easy to Fit. Made Entirely in the UK Easy to fit - Screws into wood and clamps onto aluminium greenhouses without the need for drilling.
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Automatic Greenhouse Window Opener, Simple, Strong & Easy to Fit. We are here to help!
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It is temperature adjustable and can be set to start opening the window from 13 – 18°C (55 -65 °F).
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Bayliss XL Auto Vent Opener. Wax within the cylinder expands when it's hot, pushing a piston to open the window and contracting in cooler temperatures to close the window again. They are designed and tested to last for many years and are fully serviceable.
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7 variants and several autovent models from Thermofor - a standard model and a heavy duty double spring model for use in exposed locations. Automatic Greenhouse Window Opener, Simple, Strong & Easy to Fit.
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It is temperature adjustable and can be set to start opening the window from 13 – 18°C (55 -65 °F).
eBay
7 variants and several autovent models from Thermofor - a standard model and a heavy duty double spring model for use in exposed locations. Automatic Greenhouse Window Opener, Simple, Strong & Easy to Fit.
eBay