Shopping Cart
Your Cart Is Empty
Grow More Univent Automatic Vent Opener
Univent Automatic Vent Opener
Bayliss MK7 Triple Spring Auto Vent Opener
Gigavent Replacement Power Tube
Bayliss MK7 Replacement Power Tube
Univent Replacement Power Tube
Bayliss MK7 Spare Adjustment Knob
Bayliss MK7 Hydraulicheck Auto Vent Opener
Bayliss MK7 Replacement Spacer Set
Univent Opener Replacement Frame
This is the strongest vent opener we offer. It has a hydraulic cylinder which provides superior protection in windy areas. Opening temperature can be adjusted from 63° F to 77° F and maximum opening of 18" is reached at approximately 20° F above opening temperature. Gigavent cylinder can be installed in many different positions for maximum mounting flexibility. This model is too large for use with all of our greenhouses except some of the Cross Country models.
Features
How does a Greenhouse Autovent work?A strong metal tube contains a mineral wax which expands with heat. This pushes a piston which opens the auto vent via a balanced linkage. As the temperature drops, the wax shrinks and a strong spring closes the vent and resets the piston.
Gigavent Vent Opener Installation Manual
The illustration is different than the photo. Instructions say vaguely how it works and what the parts do. There are no step by step instructions on how to install it. It would be most helpful to have a video link. I found a video on a different vent opener and it had more info than your instructions but since it’s a different product it was not very helpful either.
Wow they are over sized for my greenhouse but not your fault I ordered them. I’m returning asap.
The Gigavent is a great product that allows me to control the heat in my greenhouse. The simple heat/solar technology makes it all the better. The only downside is that the heat-activated pistons eventually give out and the occasional wind gusts bend the mechanisms. For me, a small price to pay for the benefit I get. ACF has this product(s) at a good price and ships fast. What more could you want?
Just installed 2 Gigavent openers in my greenhouse. Both vents are 2 ft x 8 ft. The Gigavent has worked well. Installation was a bit of a chalenge but with a piece of 2.5 in angle aluminum I was able to make brackets that made installation easier. It appears that the Gigavent requires 2 surfaces to mount on which are 90 degrees from the opening direction of the vent as shown in the instructions. It would be nice to have installation on at least one surface which is along the surface of the vent. The aluminum angle piece solves this problem. Overall I am pleased with the Gigavent. It replaced a Bayliss unit which is a little more than half the price but basically a piece of junk. The Bayliss worked for a couple of years then gave out and even a cylinder replacement only allowed 1 more year of spotty performance. The action of the Gigavent is much smoother and opening and closing is silent, unlike the Bayliss.