Janssens | Automatic Opener for Push Open Side Window or Roof Window
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 72º 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
Original: $124.99
-65%$124.99
$43.75Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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 72º 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
