High Accessories, Sensitive Greenhouse Gas Springs Automatic Greenhouse Gas Springs Single or Double Springs for Automatic Window Openers

$51.99

Recommended retail price $59.90. You save $7.91 (13%).

High Sensitivity: Built with temperature-reactive wax that responds automatically to heat changes for efficient window control.
Automatic Operation: Expands as temperatures rise to help open the window and retracts as temperatures fall to support closing.
Wide Compatibility: Fits most single and double spring-loaded greenhouse window opener systems.
Rust-Resistant Build: Crafted with galvanized aluminum and an all-aluminum housing to help resist oxidation and extend service life.
Lightweight Design: Approx. 33.5 cm in length and 145 g in weight for practical replacement and easy handling.

In stock

Delivery & Returns

Free delivery on this item.
Sent directly from our Australian warehouse partners.
Usually dispatched within 1-3 business days.
Delivery after dispatch: usually 2-8 business days within Australia, 7-14 business days to New Zealand. Tracking is emailed when it ships.
Change-of-mind returns within 14 days on unopened eligible items (10% restocking fee; you pay return postage). Faulty or wrong items are always put right, free. Returns policy

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01GREENHOUSES & ACCESSORIES

High Accessories, Sensitive Greenhouse Gas Springs Automatic

Perfect for growers and gardeners who need dependable automatic greenhouse ventilation in greenhouses and cold frames, helping manage internal temperature naturally through heat-responsive window opening and closing.

Product Description

This greenhouse window opener replacement cylinder is designed for automatic temperature-responsive ventilation, helping maintain a healthier growing environment with reliable opening and closing performance. Made from galvanized aluminum sheet with a rust-resistant all-aluminum body, it suits most single or double spring-loaded greenhouse openers and works well for greenhouses, cold frames, and similar temperature-control applications.