Greenhouses & Greenhouse Accessories

Automatic ventilation for greenhouse windows

A temperature-responsive vent opener is an automatic opener for a greenhouse vent window. It responds to temperature, with a specified opening range of 17–25 ºC, and opens the window by up to 40 cm. Its listed size is 62 cm. Check the window’s weight and the opener’s capacity to assess whether it suits your setup.

Key product details

1. Opening temperature range: The specified temperature range for opening is 17–25 ºC. Compare this range with the ventilation needs of your greenhouse.
2. Opening length: The maximum opening length is 40 cm. Compare this figure with the opening movement required by your greenhouse vent.
3. Lifting and window weight: The lifting capacity is 12 kg, and the maximum window weight is 24 kg. These are separate specifications; check both against your window.
4. Closing force: The stated closing force is 1.2 kg. This is the force specified for closing the vent mechanism.
5. Construction and care: The opener has an aluminium construction and a listed size of 62 cm. Care guidance recommends light lubrication with thin oil or petroleum jelly. Remove the cylinder in winter if using a heat source in the greenhouse or if severe storms are a concern.

Experiences with Bloomcabin

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