Warranty extensions soon only via Webshop From now on you can easily order the warranty extensions for our PIKO inverters online.
The new ordering process offers you several advantages:
Simple and fast, because it’s no longer necessary to fill out an application form
Can be ordered 24/7
Warranty certificate (PDF) immediately by e-mail
Please register for this in our KOSTAL Solar Webshop. We will check your registration and fix your business customer prices. Once we have confirmed your registration, you can place the first order in the KOSTAL Solar Webshop.
From 1st January 2018, warranty extensions can only be ordered via the KOSTAL Solar Webshop. We ask you for your understanding that orders for warranty extensions by e-mail and the application form cannot be processed any more from this date.