S55770-T227 Siemens

S55770-T227 Siemens

RAB21 - Electromechanical Room Thermostat for 2-Pipe Fan Coils

The RAB21 is a basic electromechanical room thermostat designed for use with 2-pipe fan coils.

Let me know if you'd like me to elaborate on any specific features of the RAB21 thermostat.

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