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Auto Vent

New Auto Vent
Product Code: Auto Vent
Availability: In Stock
$89.99 Ex Tax: $89.99
Qty: Add to Cart

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Would you like to be able to maintain a constant temperature in your Greenhouse all year round?
 
The Sydneysun Auto Vent Openers provides the ventilation your greenhouse needs which is essential for the growth of healthy disease free plants. 
It allows you to adjust the temperature within your greenhouse without having to be at home. They can be adjusted to open/close within a temp. range?of 15 and 25 degrees.

How does it work?

As the air in the greenhouse heats up the wax expands and pushes up a stainless steel piston that slowly opens the vent. The hotter the temperature the wider the opening. As the temperature drops the wax contracts, reversing the process and closing the window. 
Having a Sydneysun Auto Vent Opener means you will?not have to quit gardening due to weather conditions.

SPECIFICATIONS

* Fully automatic heat activated greenhouse ventilation
* Fully adjustable to open? between 15-25C
* Opens greenhouse window fully to 450mm
* Suitable for windows up to 7kg
* Easy fitting with clamps/screws provided
* NO BATTERIES OR ELECTRICITY NEEDED
 
Shipping cost: $20
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