Leafy Creations Greenhouse Window Opener Automatic. Double Spring Temperature Controlled Greenhouse Window Openers. Polytunnel, Cold Frame and Greenhouse Accessories. (Black)

Made from Aluminium zinc coated steel.

AUTOMATIC TEMPERATURE SENSING VENTILATION This automatic greenhouse window opener automatically opens and closes the windows when the temperature changes to maintain optimal growing temperatures inside the greenhouse and prevent overheating. It utilizes a solar thermal element to automatically open the windows for ventilation when the temperature reaches a set value.

Lifting force of over 6kg and has maximum opening range of 30cm

Compare with your existing opener, if the piston looks and measures the same, then it s the same. Check the dimensions image in the pictures for full details.

Supplied with our very own universal power piston which is also available separately should you ever need spares.

Made and designed for Speedwellstar a family run business based in Derbyshire

OPTIMAL VENTILATION Your plants are optimally ventilated through temperature-controlled opening and closing. Depending on the temperature, the piston of the cylinder moves and opens or closes the window.

Greenhouse automatic vent opener, opening force of 15kg. Heavy duty greenhouse, cold fram, mini or temporary glasshouse.

15kg Load Capacity Effectively supports greenhouse windows up to 15kg for reliable ventilation

STRONG MATERIAL Aluminum frame looks more lustrous, durable and rust-proof and stainless steel accessories would last long time use.elongated aluminum cylinder with paint spraying, weather resistant.

Forest Green annodised finish

Quality British Made Product

- Precise construction with double spring and Easy-Clip system The innovative double spring design increases the load-bearing capacity and is perfect for windows made of wood, aluminium or stainless steel. Installation is quick and easy with the Easy-Clip system and the enclosed instructions. The opener can be easily removed in winter without loosening any screws.

Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops

High Sensitivity Our window opening sensor can automatically respond to weather changes, so you don't need to stay near the greenhouse.

Automatic Opening Closing The greenhouse window opener opens and closes automatically through the thermal induction of temperature, it does not consume any power, energy-saving and environmental protection.

Made from Aluminium zinc coated steel.

The Original Ellovent Greenhouse Vent Opener

Opens vent window automatically at warm temperature for air circulation and heat relief. Closes when temperature cools

Not Easy to Break This automatic greenhouse vent opener is crafted from a painted aluminum cylinder with a shiny finish that gives your conservatory a touch of elegance. It also withstands harsh weather conditions and serves you for many seasons.