Replacement cylinder for automatic vent openers. Refresh your vent openers without replacing the entire mechanism. Replaces all Trulux greenhouse cylinders as well as many other models. 2 year warranty *Note – This is for the black replacement cylinder only and not the complete mechanism.
High quality European made automatic vent openers.
Comprehensive 2 year warranty.
Maximum ventilation and peace of mind through those hot New Zealand summers.
Fits all common louvre windows
Material: Olive GREEN on electro galvanized steel
Opening force: 7 Kg (15 lbs) equals a tophinged window weighing 15 Kg (30 lbs)
Operation area: Start at 17-25°C (63-78°F)
Max open: Fully at 30-32°C (86-90°F) Max opening height 45 cm / 18
Closing force: 0.5 Kg + vent pressure