Greenhouse Auto Vents

Bayliss XL Auto Vent Opener

Price: £19.52

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: £22.45

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)
WIWIR Solar Heat Sensitive Automatic Greenhouse Vent Opener Auto Vent Kit for all Palram Greenhouses (Single Spring Vent Opener)

Price: £18.99

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)
Automatic Window Opener for Greenhouse Temperature Control Auto Roof Air Vent Opener …

Price: £15.95

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)
Alaska Automatic window opener for Sheds and Greenhouse Vent Solar Automatic Heat Sensitive Roof and Temperature Control Auto Roof Air Vent Opener

Price: £17.50

Our products are made of high quality and high quality materials. This offer includes: Automatic window opener for greenhouses Automatic roof vent, suitable for aluminum greenhouses, de-energized, lifting capacity ca.7 kg, Opening height approx.... (more)
Decdeal Greenhouse Windows Opener, Temperature Controlled Automatic Vent Opener with Double Spring

Price: £20.99

After installed this temperature controlled automatic vent opener, your window will be a self opening one. It is solar heat sensitive that open the vent when weather warms up and then closing when it cools down. Really works well in maintain the... (more)
Halls Auto Vent Opener

Price: £22.45

Reliable method for automatic opening of greenhouse vents. No need to manually adjust the vent, according to the weather.
Automatic Window Opener , 7kg Window Lifter For Garden House Greenhouse By XXYsm

Price: £6.51

Package Include: 1 x Replacement Greenhouse Window Opener Cylinder
Elloughton Greenhouses® Double Spring Heavy Duty Automatic Greenhouse Window Opener. Opens Roof Vents and also Top Hung Side Vents

Price: £24.95

This quality greenhouse vent opener automatically opens and closes your greenhouse window as the temperature changes. This model is fitted with a heavy duty double spring mechanism designed for use in exposed locations or on lightweight polycarbonate... (more)
Automatic Solar Greenhouse Window Opener Auto Heat Temperature Sensitive Vent

Price: £22.99

Parasene Temperature Controlled Greenhouse Window Opener Item Specifics This easy to fit automatic window opener is a must have for any greenhouse. Capable of lifting window panels weighing up to 15 Pounds (7kg) this quality device automatically... (more)
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