• Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit - Image 1
  • Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit - Image 2
  • Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit - Image 3
  • Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit - Image 4
  • Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit - Image 5
  • Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit - Image 6
  • Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit - Image 7
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Speedwellstar Heavy-Duty Auto Greenhouse Window Vent Opener - Twin Double Springs Lifts Up to 15kg – Solar Heat Sensitive Automatic Kit

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

£41.11 GBP
£41.11 GBP
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  • 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
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