Ideal for your greenhouse window--opens and closes your greenhouse window as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops including fittings & installation manual Can be clamped onto or screwed onto your greenhouse frame Important notice:Do not use this opener anywhere the temperature will exceed 50° (122F) Please ensure your greenhouse window can be opened freely by at least 45cm (18") Do not apply excessive loads by locking or covering window Do not dismantle the cylinder The opener CANNOT stop by manual Item Specifications Maximum window opening:45cm Maximum opening:about 30°, depending on adjustment and load Maximum opening weight:7kg/15lb Adjustable open temperature range:15°- 25°/60°-77F
A**R
inferior
I ordered 4 . 1 of 4 has a burr inside of the threaded bracket preventing the cylinder from threading. 2 of4 the nut fell off the bracket preventing the cylinder from being attached. I didn't try 3 or 4 , you are already wasting my time. I sent entire order back.
A**I
Spend a few extra dollars. I got two of ...
Spend a few extra dollars. I got two of these and both stopped working within a few months. My plants were fried the second time it happened, when temperature in my small greenhouse reached over 120F
Trustpilot
1 month ago
1 week ago
