Honeywell TR21 Wall Mounted Temp Sensor

 
$15.30
SKU:
TR21
Qty:
 
 

The Honeywell TR21 temperature sensor is a 20k non linear wall mounted temperature sensor.  It replaces the T7770A1006 sensor.  This model is a sensor only.  There are additional models containing setpoint adjustments, override buttons and Lon communication jacks.