SKU: 46274664858

Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit

$37.13 $41.26
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  • USA
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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit15kg Load Capacity Effectively supports greenhouse windows up to 15kg for reliable ventilation Heavy Duty Twin Springs Designed for durability and strength, making it perfect for long term greenhouse use Temperature changes in your greenhouse will trigger the opening device, the working conditions are Start to open 15c 23c (59f 73f) Fully open temperature 35 (19f) or above Fully open distance 45cm (18") Maximum opening weight 15 kg Can be clipped or

  • 15kg Load Capacity – Effectively supports greenhouse windows up to 15kg for reliable ventilation
  • Heavy-Duty Twin Springs – Designed for durability and strength, making it perfect for long-term greenhouse use
  • Temperature changes in your greenhouse will trigger the opening device, the working conditions are - Start to open - 15°c - 23°c (59f-73f) - Fully open temperature 35° (19f) or above - Fully open distance 45cm (18") - Maximum opening weight 15 kg
  • Can be clipped or screwed onto aluminium and wooden frames * Fitting instructions included - Simple to fit - Can be adjusted to different temperatures
  • Heavy-Duty Twin Springs – Designed for durability and strength, making it perfect for long-term greenhouse use
  • User-Friendly Installation – Simple setup with included instructions, suitable for gardeners of all experience levels
  • Upgraded Piston Design – Enhanced piston for improved performance and longevity, ensuring consistent operation
  • Screws for fittings included (Please ensure all are tight on fitting)* Things to remember - Please ensure your greenhouse window can be opened freely by at least 45 cm (18") We carry replacement parts for most of the items so please contact us if any problems
    • Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 46274664858

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    4.5 ★★★★★
    Based on 9 reviews
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    Product Reviews
    R
    Verified Purchase
    Rosney Perez
    Waukegan, US
    ★★★★★ 3
    Nah....it's OK
    Color: A Gold
    Product does looks amazing and the manufacturer put a lot of time on designing this affordable watch, i'm using it in a daily basis and still looks like the first day. Pros: Affordable, great looking, right size Cons: Lot of condensation, you can see it trough the glass
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 15, 2016
    T
    Verified Purchase
    Thadius Craft
    Los Angeles, US
    ★★★★★ 5
    Amazing brand
    Color: Silver Gold
    Love these watches so much.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 13, 2026
    J
    Verified Purchase
    Jon
    Chelsea, US
    ★★★★★ 5
    good for big wrists
    my wrist is almost 9 inches so some choices are too small. plus I like a slightly loose fit rather than snug. it's beautiful just like the pictures. happy with it.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 10, 2022
    S
    Verified Purchase
    Sahra Salinas
    Lexington, US
    ★★★★★ 5
    Husband loved the watch
    Husband loved it! Very nice and heavy
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 29, 2026
    Z
    Verified Purchase
    Zujely Del Rosario
    Belleville, US
    ★★★★★ 5
    Es igual como se muestra en la imagen
    Excelente
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 15, 2025

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