Heat activated window opener

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We noticed you are accessing from Canada. Change to Lee Valley Canada website to see content specific to that region and the best shipping options. Product cannot be added at this time. Choose an option to add an item to your cart. Check availability at all stores. Controlling temperatures in a cold frame or greenhouse is straightforward with this automatic control. It incorporates a gas-charged cylinder of adjustable volume.

Heat activated window opener

This product is not available in this region, you can submit your inquiry here and we will get back to you. The Automatic Vent Opener was designed to automatically control the temperature and humidity levels. It provides additional ventilation for all Palram — Canopia Greenhouses, making gardening easier. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of airflow into the greenhouse until the optimal temperature is reached. The vent arm was designed with the use of wax that expands with heat and contracts when it cools. The Automatic Vent Opener operates without the use of electricity. If you are getting the greenhouse I recommend buying an automatic opener. Automatic Greenhouse Vent Opener 4. Distributors in Latvia Where to Buy Change country. Opens roof vent automatically as temperature warms for air circulation and heat relief, closes when temperature cools. Suitable for all Palram — Canopia greenhouses with roof vents. Easy to install.

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Automatic Ventilation opener — Ventilation in greenhouses. Offered to your customers that wish a wide range of applications. Offered to your customers who simply want to open their greenhouse window without extraordinary features. The piston rod is completely sealed off in an aluminium enclosure. This makes this window opener extremely applicable for dusty environments. Automatic Ventilation opener — Greenhouse ventilation jealous window.

We noticed you are accessing from Canada. Change to Lee Valley Canada website to see content specific to that region and the best shipping options. Product cannot be added at this time. Choose an option to add an item to your cart. Check availability at all stores. Controlling temperatures in a cold frame or greenhouse is straightforward with this automatic control.

Heat activated window opener

Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive. UNIVENT Automatic Window Opener uses our powerful temperature sensitive hydraulic cylinder that has been in use for decades as the standard in reliability to open cold frames, windows, vents, doors, tunnels, hot houses and demi-lumes. The standard cylinder carries a Manufacturer coverage for replacement for 3 years, and replacement cylinders are also easily available to purchase. Material: Aluminum Maximum opening width: This is a professional and serious home and garden vent opener made by the same company in Denmark since by Johannes Orbesen and his world famous "Open Sesame" invention. To report an issue with this product or seller, click here. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.

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Works great. Made in England. Close modal. Show All Related Products 5. It has three heavy-duty springs which gives the opener superior closing power making it ideal for side wall vents and roof vents in windy areas. Climate Controls. Ordering Policies. Electrical Supplies. Controlling temperatures in a cold frame or greenhouse is straightforward with this automatic control. Only had it a month but so far it's worked fine every day. We noticed you are accessing from Canada. Automatic Ventilation opener — Ventilation in greenhouses. Fans include a 6 ft. This is the strongest vent opener available with a lifting capacity of 65 lbs. Solar Harvest.

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They are designed and tested to last for many years and are fully serviceable. Suitable for all Palram — Canopia greenhouses with roof vents. Need help making a purchase decision? Ordering Policies. Contact Details. It incorporates a gas-charged cylinder of adjustable volume. This is the strongest vent opener available with a lifting capacity of 65 lbs. Offered to your customers who simply want to open their greenhouse window without extraordinary features. Automatic Ventilation opener — Ventilation in greenhouses The most powerful window opener on the market. Automatic Ventilation opener — Greenhouse ventilation Offered to your customers who want to lift a window up to 24 kg without extraordinary properties.