Greenhouse Auto Vents

Bayliss XL Auto Vent Opener

Price: £18.50

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 2 year guarantee. Opens greenhouse roof vents... (more)
Automatic Greenhouse Vent Opener

Price: £19.90

Automatically opens and closes your greenhouse roof vents as the temperature changes. Complete kit, ready to install with easy to follow instructions. Fits most greenhouses. Unfortunately if you have one of the "trapped polycarbonate" type of greenhouse... (more)
Automatic Greenhouse Window Opener

Price: £17.60

Automatic Window Opener This opener will automatically open your greenhouse window or vent preventing your greenhouse from overheating Suitable for most greenhouses Uses solar energy - it's FREE to run! Temperature changes in your greenhouse will... (more)
Automatic Window Opener for Greenhouse Temperature Control Auto Roof Air Vent Opener

Price: £14.99

Automatic window openers for garden sheds & greenhouses Optimum ventilation of your plants by temperature-controlled opening and closing The automatic window openers can be installed easily and quickly for the windows of the common garden sheds... (more)
Replacement Window Opener Auto Vent/Automatic Greenhouse Cylinder

Price: £12.45

Item Descriptions: - This listing is a replacement CYLINDER only, for the full set of auto vent opener you can find it in my shop. - Also suitable for Orbesen, Gardman & B&Q vents - Non Electric, uses solar energy, open or close the greenhouse vents... (more)
Palram Greenhouse Accessory Automatic Vent Opener

Price: £34.68

This clever accessory from Palram works by automatically opening your greenhouse vent at warm temperatures and closing it when it is cooler. Easy to attach, this Automated Vent Arm allows peace of mind over your plants enjoying the right temperatures... (more)
Yosoo Solar Heat Sensitive Automatic Thermofor Window Opener Greenhouse Autovent Vent Opener (Greenhouse Cylinder)

Price: £13.99
Grow It 08870 10 x 5 x 38 cm Greenhouse Auto Vent - Green

Price: £21.39

Maintain an even temperature in your greenhouse with this auto vent which opens and closes with temperature changes. You can adjust it to open at a specific required temperature and it comes with all necessary fittings and instructions. Designed... (more)
WIWIR Solar Heat Sensitive Automatic Greenhouse Vent Opener Auto Vent Kit for all Palram Greenhouses (Single Spring Vent Opener)

Price: £15.99

Automatic Greenhouse Window Opener The Automatic Vent Opener was designed to automatically control the temperature and provide additional ventilation for all our Greenhouses. As the air inside the greenhouse warms, the vent gradually opens to allow... (more)
2 x Bayliss XL Autovent Automatic Greenhouse Window Opener

Price: £37.84

Essential for greenhouse growing, Bayliss autovents automatically open and close hinged vents providing accurate and continuous ventilation around the clock. Using the energy from the sun the Autovents are designed to mechanically open as the temperature... (more)
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