Janssens | Automatic Opener for Push Open Side Window or Roof Window arrow shed all-size accessories 3 settings - fan only

3 settings - fan only

Melbourne Base Slab Size Guide

The available optional Garden Dome Igloo Summer Canopy Cover provides shade when it’s too hot

with a maximum pull out length of 85"

Janssens | Automatic Opener for Push Open Side Window or Roof Window arrow shed all-size accessories 3 settings - fan onlyThe Janssens Automatic Opener for Push Open or Roof Window is an optional addition to your Push Open or Roof window in your Janssens greenhouse. The black tube is filled with special paraffin oil which expands when the temperature reaches around 72 F and the piston will push the window open. When temperature falls a heavy spring pulls the window closed. No electricity needed! WARRANTY 15 Year Limited Warranty