Free Shipping Included! Jack-Store Solar Heat Sensitive Automatic Thermofor Window Opener Greenhouse Autovent Vent Opener Standard - Lifts 15 Lbs by Jack-Store at Sun Light Village. Hurry! Limited time offer. Offer valid only while supplies last. Ideal for your greenhouse window--opens and closes your greenhouse window as the temperature changes automatically, maintains the best growing
Product Description & Reviews
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.
No batteries or electrical power needed.
The liquid-filled cylinders expand as temperature increases.
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.
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
1 x Automatic window opener
Features & Highlights
- 100% brand new and high quality.
- Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
- Simply opens and closes when the temperature changes.
- Maximum opening : about 30°, depending on adjustment and load ./Maximum window opening : 45cm.
- Suitable for most greenhouses.
3.7 x 1.89 x 14.69 inches
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