Where to find the serial number:
Find your machine's specific serial number. It is on a sticker on your machine or on the registration form in the box.
On the back behind the hose, on the base between the wheels, or on the main body behind the bin.
Underneath the machine between the wheels, or on the main body behind the bin.
Cordless and Handhelds
On the main body behind the filter or behind the bin.
Fans and Heaters
On the base of the machine.