Janssens | Automatic Opener for Push Open Side Window or Roof Window estimateend-80 Control Options: Compatible with UIS™

Control Options: Compatible with UIS™ controllers and AC Infinity app

All models include aluminum framing

Made in Belgium by Janssens

and beginner-friendly setup

there no reason to have to hide your compost

Janssens | Automatic Opener for Push Open Side Window or Roof Window estimateend-80 Control Options: Compatible with UIS™The 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