Dear Customer, Thank you for your purchase.

In order for you to receive a full guarantee from us on your spare part, you must have the spare parts installed by a certified refrigeration technician. This must have a certificate of competence according to § 5 ChemKlimaschutzV. Here you can download our complaints form as a PDF> complaint form Right mouse button> Save target as> Save> Open> Fill> Print and send the defective device back to us. Usually we need (& the manufacturer) about 3-4 weeks to check the warranty claim. If the warranty claim is tested, we will reimburse you (or purchase price) including return costs.