This is a Polar thermostat circuit board for an HNVR separate controlled sauna heater. This part is also the original equipment manufactured thermostat circuit board for a Helo sauna heater called the MA, as well as the Finnleo, Amerec and McCoy sauna heaters. This part is an Original Equipment Manufactured part that is made in Finland.
This OEM part is a UL listed part to comply with your home owner's insurance policy. The UL certification ensures that you are buying a product that has been rigorously tested and evaluated by the leading body in North America for safety and electrical compliance.
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