The WOLF Service App is the ideal partner for the heating technician. The app offers a digital spare parts catalog for the heating sector with over 6800 spare parts, more than 4600 associated photos and over 950 clickable exploded views. All selected spare parts can be ordered directly by e-mail from the wholesaler. A special highlight is the error code inspector. After entering an error code and selecting the device type, the problem description and a manual for the quick troubleshooting is shown.