Series 1000 Sensors:
*Add letter suffix to indicate desired color: A=Desert Beige, B=White (for example, 540-660A). 2 Add letter suffix to indicate temperature display units and color: F=°F, C=°C, A=Desert Beige, B=White (for example, 540-680F
MBC/RBC/PXC/MEC, Series 1000 Descriptions:
*Add letter suffix to indicate desired color: A=Desert Beige, B=White (for example, 540-660A). 2 Add letter suffix to indicate temperature display units and color: F=°F, C=°C, A=Desert Beige, B=White (for example, 540-680F
Series 2000 Sensors:
| Description | Part Number |
| TEC Sensor | 540-650* |
| Semi-Flush Mount Room Temperature Sensor, TEC | QAA1280.FWSC |
*Add letter suffix to indicate desired color: A=Desert Beige, B=White (for example, 540-660A). 2 Add letter suffix to indicate temperature display units and color: F=°F, C=°C, A=Desert Beige, B=White (for example, 540-680F
