Tag: T721i

Pro1 Technologie T721i Thermostat Pro1 Technologies, Inc. Springfield, MO 65804 Toll-Free: 888-776-1427 Web: www.pro 1 iaq.com Hours of Operation: M-F 9 AM – 6 PM Eastern Thermostat Applications Guide Description Gas or Oil Heat No  Electric Furnace No Heat Pump {No Aux. or Emergency Heat) Yes Heat Pump {with Aux. or Emergency Heat) Yes Multi-stage…

Pro1 Technologie T721i Thermostat  Getting to know your thermostat LCD Glow in the Dark Light Button Fan Switch System Switch Easy Change Battery Door Setpoint Buttons  User Buttons Important: The low battery indicator is displayed when the AA battery power is low. If the user fails to replace the battery within 21 days, the screen…