Honeywell C7735A1000/U - Return Air Sensor for Back-Up ControlMount on return duct for backup control of non-zoned RedLINK™ enabled Wireless Systems and Thermostats.
Features & Benefits: Works with THM5320R1000 Equipment Interface Module to maintain safe indoor temperatures if power is lost at the wireless thermostatTakes control of the equipment by turning on the blower fan and sensing the indoor temperature of the homeControls heating at 62° F and cooling at 82° FProvides homeowners with peace of mindInstalls in minutesIncludes mounting hardware