Practical Metal Automatic Window Opener Solar Energy Temperature Changes Fensteroffner Rust-proof Roof Single Spring Auto Vent Tool Agricultural Greenhouse Supplies

Color: as shown

Size: Approx. 38x9.5x5cm(14.96x3.74x1.97in)

Easy to install, universal fit for all aluminum frame greenhouse.

Suitable for the vents weighting up to 7kg/15lb.

Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.

The maximum height of the window open to the outside is about 45cm(17.72in)

After installed this temperature controlled automatic vent opener, your window will be a self opening one. It is solar heat sensitive that open the vent when weather warms up and then closing when it cools down. Really works well in maintain the greenhouse within the preferred temperature range.

Package:

1 x Automatic Window Opener Kit

Problem Solving

1. The product is not installed correctly, and it needs to be installed correctly according to the window opener manual.

2. The gas rod is stuck and does not work. Apply lubricating oil to the threaded adjustment tube and the piston rod, and

manually stretch the piston rod several times.

3. The environment does not reach the working temperature. The opening temperature of the gas rod is 15-25°C. The temperature can be maintained at 25°C and observed for more than 30 minutes.

Notice:

1. Please allow 2-3% error due to manual measurement.

Please make sure you do not mind before you bid.