Grandio Automatic Greenhouse Roof Window Vent Opener

Name: Grandio Automatic Greenhouse Roof Window Vent Opener
Brand: Grandio Greenhouses
SKU: 41083504
Price: 272.90 NZD
Availability: InStock

Product ID: 41083504

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Description

Opens roof vent automatically as temperature warms for air circulation and heat relief, Closes when temperature cools
Starting opening point: 75° F to 80° F
Solar powered, heat activated
No electricity needed

Automatically opens and closes the roof vent/window when temperature changes. The opener has a metal cylinder containing a mineral which expands when heated. This pushes a piston that opens the vent. As the temperature cools, the mineral shrinks and a spring closes the vent and resets the piston. The opening and closing of the vent is gradual allowing just the right amount of air flow for cooling.

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$272

Duties & taxes incl.

New Zealandstore

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