Replacement cylinder with glued thermometer, for automatic window opener of greenhouses for all popular models.
Piston length: 20 cm
Piston Ø: 15 mm
Screw thread length: 2.5 cm
Screw thread Ø: 10 mm, fine
Bore at the end of the piston rod: 2 mm Ø
The replacement cylinder fits many automatic window openers,
Univent, Ventomax, Thermovent, Sesame, Einhell,
Jewel, Pergart, Spiro, Optivent, MacGreen, etc.