American Standard® ASYSTAT108A Micro Control Zone Temperature Sensor
American Standard® Micro Control Zone Temperature Sensor, Auto/Manual Changeover, 0.5 deg F, 1 deg F, 2 deg F Differential, Wall Mounting, For Use With: Y*C036-120E/R, T*C036-120 (A or E)_R, YC*150-301, Y*C036-120E/R, YC*150-301 and TTA073 to TTA300 with ReliaTel™ Controls