Hitachi serial numbers are located in different places on different types of appliances. All Hitachi appliances will have a serial number sticker.
The serial number for Hitachi televisions is located on a sticker on the back of the screen, according to Surewise. It's below the barcode in the bottom right corner of the sticker.
For Hitachi fridge freezers, the serial number is located in a box on the bottom of the sticker. The sticker can be found inside the fridge, near the door hinges.
Hitachi cookers have their sticker on the front left side of the hood. The serial number is labeled on the sticker.
The sticker can be found on the bottom right of Hitachi washers. The serial number is labeled "no."