Sauna Temperature Controller Do 135T3 Overview A compact wall mount controller designed to manage sauna temperature and operating time for external control sauna furnaces, wet steam engines, and steam generators. Built with durable ABS housing and straightforward controls, this unit is suitable for sauna water heaters rated 3 to 27 KW. Key benefits Precise temperature control: Set temperature from 35 to 110 C to match your desired sauna conditions. Flexible timing: Program working time from 1 to 12 hours for unattended sessions and safe automatic shutoff. Broad compatibility: Works with external control sauna furnaces, wet steam engines, and steam generators. Specifically applicable to 3 to 27 KW sauna water heaters. Durable construction: Tough, wearresistant ABS housing resists everyday wear for reliable longterm use. Spacesaving installation: Compact wall mount design keeps the controller accessible without taking up floor or bench space. Multifunction control: Manage sauna water heater and lighting and other connected functions from a single controller. Features Model: Do 135T3 Item type: Sauna Temperature Controller Material: ABS housing for durability and impact resistance Installation: Wall mount for convenient placement and clean mounting Temperature range: 35 to 110 C Timer range: 1 to 12 hours Applicable equipment: External control sauna furnace, wet steam engine, steam generator Power compatibility: Suitable for sauna water heaters 3 to 27 KW Weight: Approx. 370 to 403 g 13.1 to 14.2 oz Package contents 1 x Controller Typical applications Home sauna room: Install on the wall near the entrance to set temperature and session length before use. Commercial spa or gym sauna: Integrate with existing external control sauna furnaces or steam generators to centralize temperature and time management. Renovation or retrofit projects: older controllers for steam engines or sauna water heaters rated 3 to 27 KW to add programmable timing and a wider temperature range. Why choose this controller This controller provides clear, dependable temperature and time control without unnecessary complexity. Its durable ABS housing and compact wall mount design make it suitable for residential and commercial saunas, while compatibility with a wide range of sauna water heaters ensures straightforward integration during installation or upgrades.