Siemens QAA1011.AATU, Button Room Temperature Sensor with Wallplate, 1K Ohm RTD (375), Stainless Steel

Siemens QAA1011.AATU, Button Room Temperature Sensor with Wallplate, 1K Ohm RTD (375), Stainless Steel. Siemens Wireless Room Sensors (WRS) eliminate the need to run wire between Terminal Equipment Controller (TEC) and associated room temp sensors.