Tag: tekmar 552_D

tekmar 552_D Programmable Thermostat Introduction The tekmarNet® Thermostat 552 provides operation for:  One Stage Heat Features Touchscreen Bright Backlight tekmarNet® Communication Outdoor Temperature Display Floor Temperature Display 7-Day, 4 Event Programmable Schedule Optimum Start Scenes Away Key Air Group Member Freeze Protection Exercise Pump or Valves Zone Synchronization  Two Auxiliary Sensor Inputs Benefits Simple to…