Double Spring Automatic Vent Opener
Double Spring Automatic Vent Opener
Double Spring Automatic Vent Opener
Double Spring Automatic Vent Opener
Double Spring Automatic Vent Opener
Double Spring Automatic Vent Opener
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Load image into Gallery viewer, Double Spring Automatic Vent Opener
Load image into Gallery viewer, Double Spring Automatic Vent Opener
Load image into Gallery viewer, Double Spring Automatic Vent Opener
Load image into Gallery viewer, Double Spring Automatic Vent Opener
Load image into Gallery viewer, Double Spring Automatic Vent Opener

Double Spring Automatic Vent Opener

Regular price
$65.00
Sale price
$65.00
Regular price
Sold out
Unit price
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Automatic Vent Opener

One of the first things you will notice about your greenhouse is that its designed to trap heat. This is a good thing in winter, but in the summer months your greenhouse can quickly become overheated if you forget to open and closed your roof vents.

Our dual spring-loaded automatic vent openers means there is no need for an elaborate electrical system. As the ambient temperature increases the mineral wax within the cylinder will expand slowing pushing the stainless steel piston outwards opening the roof vent.

Automatic Vent Openers do not suit the Mini Greenhouse or Small Nursery Models. 

WARRANTY: 12 months
TYPE: Fits all standard Greenhouse Roof Vents

Sproutwell® Automatic Vents Openers provides a simple automated ventilation system for your greenhouse during summer, day and night.

  • The wax works on contraction as well as expansion, therefore as the wax cools it contracts and pulls the roof vent shut.
  • Once temperatures reach 18-20 degrees the AVO will commence opening gradually until it reaches 26 degrees where the roof vent will stay open
  • By ventilating the greenhouse environment you will ensure the growth and healthy disease free plants.
  • No electricity required or manual operation needed at all.
  • Fully automatic heat activated greenhouse ventilation
  • Suitable for all brands/standard Greenhouse
  • Simple installation using the brackets/screws provided
  • We highly recommend all roof vents down one side are automated especially on large greenhouses (6m length) to keep air flowing
  • PLEASE NOTE: We advise when fitting Auto Openers to our Grange Model Greenhouses you fit Qty 2 per roof vent
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