TSO, TSH: Room thermostat 
 
How energy efficiency is improved 
Enables controlling of HVAC components according to needs. 
 
Features 
• Room temperature can be set as the setpoint using the printed temperature scale 
• Variants of the standard devices are available, such as thermal feedback, night set-back mode, fan switches and switches for heating/cooling 
• Setpoint adjuster with mechanical min. and max. limitation of the setting range