Where to find product serial number?
The serial number is marked on the product type plate and on the sales packaging.
Serial number in sauna heaters
There are two types of serial number labels, depending on the product model:
Label 1: field SN: MOXXXXXXXX-XXX.
Label 2: a nine-digit number beginning with 1 or 2.
Serial number in other products
In separate control units, the serial number is located on the power unit type plate. Note: E-model heaters only.
The control panel serial number is located on a sticker on the back of the panel.
The serial number for woodburning hot tub heaters (Harvia & Kirami) is located on the back of the heater.
On electric hot tub heaters, the serial number is marked below the thermostat knob.