Siegenia SI Favorit Trial Drive Gear Repair Gearbox

Siegenia SI Favorit Trial Drive Gear Repair Gearbox The Siegenia SI Favorit trial drive gear repair gearbox suitable for tilt turn window and patio drives. A simple solution allowing you to replace on the centre gearbox instead of the full mechanism. When first fitting this gearbox to the mechanism you will need exert some force in order to break the burr in order to free up the lock. Replaces Trial and Aubi Fits all models in the GR series Fits tilt turn windows and patio drives