External sauna heater controller that gives precise, easy control of temperature, time, and lighting for a consistent, sauna session. Key benefits Precise control: Set and maintain room temperature between 104 and 221 F (40 to 105 C) using an advanced control board and responsive electronics. Clear feedback: Separate temperature and time displays show current room temperature and remaining session time for convenient monitoring. Simple operation: Dedicated buttons for temperature and time, a mode selector, and a power button make adjustments quick and intuitive. Broad compatibility: Works with 3 to 9 kW sauna heaters and supports room lighting up to 60 W. Ready to install: Wallmount design for mounting outside the sauna room. Includes a 3 meter temperature sensor for accurate readings. Features and specifications Working voltage: 380 to 415 V Operating current: 4.5 to 13.7 A Heater compatibility: 3 to 9 kW Support light power: up to 60 W Temperature control range: 104 to 221 F (40 to 105 C) Displays: temperature display and remaining time display Controls: buttons for time and temperature setting, mode switch, and power button Sensor: 3 meter temperature sensor included Overheat auto shutoff: unit stops when temperature reaches 150 C Installation: intended for wall mounting outside the sauna room; wiring is straightforward for connection to compatible heaters Working modes Mode A: 8 plus 4 running time (maximum working time: 4 hours). Maximum noworking time: 8 hours. Mode B: Heater starts immediately after settings are entered. Maximum working time: 12 hours. Practical applications Home sauna: Install outside a residential sauna to schedule sessions, control temperature precisely, and manage lighting from a single panel. Fitness center or gym: Use the controller to standardize sauna operation for multiple daily sessions while keeping control accessible to staff. Small spa or hotel: Provide guests and staff with a simple interface for setting session length and temperature without entering the sauna room. What this controller delivers Reliable, easytoread controls and displays for precise sauna management. Compatibility with a wide range of 3 to 9 kW heaters and included 3 meter sensor for accurate temperature feedback. Two flexible operating modes to match different scheduling needs and session preferences. Includes controller unit and 3 meter temperature sensor. Designed for installation outside the sauna room and connection to compatible sauna heaters.