Description
If your greenhouse automatic window opener has stopped working it is simply the cylinder that needs replacing. Why waste money buying a complete autovent, when for much less money you can simply replace the piston.
Replacement piston only, universal and compatible with the majority of greenhouse automatic vent opener, both single and double spring automatic window opener and louvre vents.
Compare with your existing opener, if the piston looks and measures the same, then its the same.
Opening temperature range 16°C-26°C, helping to maintain optimal growing conditions in your greenhouse.
Simple self installation, please watch the video and read the product description below.
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