Electromechanical room thermostat Siemens RAB 21 (for 2-pipe)

Siemens RAB21: Two-pipe fan coil room thermostat for use with 3-speed fan, external (automatic) changeover • Room thermostat for heating or cooling• Changeover function (with external automatic aquastat)• Two-postition control• Manual three-speed fan switch• Switching voltage AC 24…250 V• Control output ON/OFF Typical use:• Commercial buildings• Residential buildings• Light industrial buildings In conjunction with− zone valves and thermal valves− fans− aquastats
55,66 €