Steam bath generator Controller ST135T1 Overview A slim, autodigital control panel with a separate control box designed for steam rooms and sauna rooms. Model DO135T1 is compatible with 39KW sauna heaters and is suitable for use with Standard DON series steam bath generators. The controller provides precise temperature control, timed operation, and basic room lighting control for compact installations sized for up to four users. Key benefits Precise environment control: Temperature range from 35 to 110 degrees C gives clear setpoint control for a variety of sauna and steam settings. Flexible scheduling: Builtin timer lets you set working periods from 1 to 12 hours to match operating needs and usage patterns. Simple operation: Autodigital, computerstyle control panel makes it easy to switch the heater on or off and to control room lighting. Spaceefficient design: Slim digital panel with a separate control box simplifies mounting and keeps electronics accessible while preserving a neat interior look. Broad compatibility: Designed for use with 39KW sauna heaters and compatible with Standard DON series steam bath generators, enabling integration into common small sauna installations. Main functions Sauna heater on and off control Sauna room light on and off control Working time setting from 1 to 12 hours Temperature control range 35 to 110 degrees C Dry steam operation Computer control panel interface Technical highlights Type: Steam Room / Sauna Rooms controller Model: DO135T1 (for 39KW sauna heater installations) Control method: Autodigital control Working time range: 1 to 12 hours Temperature range: 35 to 110 degrees C Number of users: Designed for up to 4 people Feature: Computer control panel with separate control box Characteristic: Slim digital panel suitable for Standard DON series steam bath generators Practical applications Residential sauna: Retrofit or installations for private home saunas sized for up to four people, providing simple temperature and timer control. Small spa or gym: Integration with a 39KW steam generator to manage dry steam sessions, lighting, and scheduled operation for compact facilities. Boutique hotel or rental property: Centralized, easytouse control for guestfacing sauna rooms where a slim wall panel is preferred for aesthetics and usability. Installation and use notes Slim panel plus separate control box supports flexible mounting options and helps keep wiring and electronics organized. Designed for straightforward user operation: set temperature, select run time, and control lighting and heater with a digital interface. Compatible with common 39KW sauna heaters; confirm compatibility with the specific steam generator model before installation. This controller provides reliable, userfriendly digital control for small steam and sauna rooms, combining temperature and time management with lighting control in a compact package.