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The Emerson 1F98EZ-1621 Wireless Thermostat System provides this innovative system takes advantage of the last wireless technology with allows for the location of a thermostat where wires are difficult or impossible to run.

The system consists of 6″ comfort interface (Thermostat) which runs on batteries and equipment control module which is powered by 24V system transformer and wires to HVAC equipment inculdes return air sensor (RAS) – the RAS monitors temperature of the return air and it is needed at all times for system operation.

Universal features compatible with single, multi-stage for heat pump and heat pump with dual fuel applications, plus premium humidity control with easy-to-read 6″ display on comfort interface ideal where pulling wires is difficult and additional temperature sensing is desired.

Comes with color-coded LEDs on equipment control validates system wiring.

F145RF-1600 wireless sensor is configurable for indoor or outdoor use.

This thermostat displays the average of the local sensor with any indoor remote sensors unless a device has been deactivated and the local sensor can be disabled so that only remote sensor values are used for control.

Easily reduces heat and cool spots in the home comfort interface can up to 3 wireless temperature sensors can be located in optimum control locations.

Plus maximizes comfort with premium humidity control system for control humidification and dehumidification.

Works with optimizes efficiency on heat pump set via dual fuel control with wireless temperature sensor or by Dual Fuel Logic program.

Selectable of 7 day or non-programmable (installer selectable) and allows you choose 4 or 2 program periods per day with permanent program retention during power loss Indefinite setpoint hold or  temporary temper by 1F98EZ-1621 Emerson Wireless Thermostat.

Works Emerson 1F98EZ-1621 Wireless Thermostat System to Install