Siemens RAA21 Room Thermostat
The RAA21.. room thermostat has separate outputs for heating only and cooling only.
If the room temperature falls below the selected setpoint, the heating contact will close.
If the room temperature exceeds the selected setpoint, the cooling contact will close.
* 2-Position Control
* Volt-Free SPDT Contacts
* 6(2)A Contacts
* 3-30C Range
* Dimensions: 97x96x35.3mm HxWxD
Direct replacement for obsolete RAA20