Guarantee is valid for 2 years or 5 years (in conformity to EU Rules) from the date of manufacture shown on the products. This warranty covers all manufacturing defects, if any. This warranty does not cover defects and/or damage due to improper use or use not conforming to the installation and operating instructions. If the products are opened or tampered with, this warranty will be total invalid. Customers may return not working goods with transport costs at their charge. After techncial analysis we will change or refund not working pieces if presents production defects. All the others reasons of faulty (for example broken plastics, wrong installations etc) are not covered by guarantee, so in this case we cannot replace or refund them.

In compliance with the regulations in force, we have the right to make technical and/or dimensional changes to improve product performance and characteristics without prior notice.