Best selling two springs automatic sliding window opener for your greenhouse
USD $5 - $15 /Piece
Min.Order:50 Pieces
Huixin Metal Products Co., Ltd.
Best selling two springs automatic sliding window opener for your greenhouse HX-T31 Series
HX-T312-1 Double Spring Bracket
HX-T312 Single Spring Bracket
Product Description:
Huixin window opener is an ideal way to provide extra ventilation for your greenhouse during hot weather. The temperature controlled cylinder activates the vent opener when the heat reaches a certain level, and closes the vent again when the temperature drops. In this way, the vent opener ensures your plants have sufficient airflow throughout the day. It is a universal fit, which means it is suitable for all aluminium frame greenhouses. Its aluminium & stainless steel construction means that it is durable and weather resistant.
Product Features:
• Temperature controlled sensor cylinder enables roof vents to be opened and closed at the appropriate time, ensuring sufficient airflow
• Made from aluminium & stainless steel - durable and weather resistant
• Fully adjustable to open between 15-25°C
Start Open at 25°C (77°F); Star Close at 15°C (60°F)
• Max open temperature: 38°C/100°F
• Max open distance: 45cm/18''
• Perfect for windows or vents weight up to: 7kg/15lbs
• Universal fit - suitable for any aluminium frame greenhouse
• Mechanical system activated by heat - no batteries or electricity needed, which means no running costs
• Automatic response to weather changes - controls the temperature without requiring your attention
• Easy to install using detailed instructions included
The core technology -- Hydraulic Cylinder
The metal cylinder contains a plant-based wax, which can expand or shrink when temperature changes, so in this way, lead the spring open or close the louver window.
Standard Packing:
Packing: 1pcs/white inner box, 50 boxes/ctn
OEM: Inner box can do colour box with your own design
Shipping: 7-30 working days after the payment
Inner box:
installation manual can print customer's own version with their language
standard white inner box.
can also made colour box with your own design
Master carton:
Bulk purchase packing
Retail packing
We have sufficient stock products through all the year
For small quantity quickly purchase, please click here go to our AliExpress store.
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