Unsure about the model of your Viessmann water heater or water purifier?

Please select your product category below to view the product image and model name.

Where can I find the serial number of my Vitowell easy instant water heater?

You can find the 9-digit code on the warranty card or the printed label on the right side of your Vitowell easy instant water heater.

Where can I find the serial number of my Vitowell comfort storage water heater?

You can find the 19-digit code below the barcode on the warranty card or on the printed label of your Vitowell comfort storage water heater.