1.Depending on the size of the sauna room, the sauna heater can reach the set temperature after 30 to 60 minutes, and the thermostat can ensure that the sauna room maintains a uniform and comfortable temperature. 2.The controller is a splashproof type and can be installed in a place where the sauna accessories are not prone to moisture. 3.Ideal sauna heater driver and external digital sensor electronic thermostat replacement kit. 4.With the temperature controller , the appropriate temperature can be maintained without having to set the temperature controller every time. 5.Suitable for apartments, hotels, indoor swimming pools, sauna rooms, steam rooms, fitness centers and other commercial facilities.