Products with transistor: for 12 months (in 18 calendar months)     

Products with thyristore: warranty starts according to the installation  documentation.

In case of building elements: 3 years from date of purchase

Complete equipments:3 years from the date of installation.

Diode rectifiers: 3 years from date of purchase




If operator needs regular maintenance we undertake it after order and confirmation.

We perform maintenance according to user’s

 manual, respect also for periodicity.