Greenhouses and Greenhouse Accessories

Univent® Black automatic greenhouse vent opener

Automatic greenhouse ventilation Univent® Black is an automatic opener for greenhouse vents, doors and cold frames. It opens and closes them in response to temperature, according to the product description. The stated opening range is 17–25 °C, with a maximum opening length of 45 cm. Compare these details with your vent or frame before choosing.

Key product details

1. Maximum opening length: 45 cm: The maximum opening length is listed as 45 cm. Compare this with the movement available in your greenhouse vent or frame.
2. Opening temperature range: The stated opening temperature range is 17–25 °C. Check whether this range suits the temperature settings you need for your setup.
3. Two separate weight ratings: The listed lifting capacity is 7 kg, while the maximum window weight is 14 kg. These are separate ratings; check both against your window.
4. Closing force: The closing force is specified as 0.8 kg. Consider this figure alongside the opener’s lifting capacity when checking the listed ratings.
5. Aluminium body and listed dimensions: The product description specifies aluminium construction. Its listed dimensions are 64 x 51 x 5 cm; compare them with the available space and mounting arrangement.

Experiences with Bloomcabin

1. "Ordering from Bloomcabin was straightforward, and the team answered my questions before I purchased. I'm very happy with my choice." – Lerato Mokoena
2. "My order arrived carefully packaged and was exactly as described. The quality met my expectations, and I would happily purchase from Bloomcabin again." – Daniel Jacobs
3. "I had a question about my delivery, and Bloomcabin's customer support was friendly and helpful. They kept me informed and made the whole experience easy." – Thandi Nkosi