Honeywell TR21-WKU Wireless Temp Sensor/Receiver Kit, selectable setpoint, Override, no HW logo - Black and White - /U TR21WKU-1

"TR21 SENSOR/TEMP

The Honeywell TR21 Sensor/Temp is a Wireless Temperature Sensor/Receiver that can be used as either a sensor, transmitter, or receiver. The device features a white casing and is capable of sending pre-configured temperature alerts to the user in the event that the temperature rises above or drops below the setpoint.

The Wireless TR21 Thermostat/Sensor from Honeywell is a compact sensor designed to sit anywhere in the home where temperature is to be monitored. Bringing convenience and reliability at a great value, this sensor delivers optimal performance in any room of the home.

Honeywell's TR21 sensor is a wireless remote temperature sensor that measures the temperature within your home wherever you place it. The TR21 sensor fluctuates 0.5° between -17°F (-27.5°C) and 125°F (+52.2°C). The TR21 features an on-off switch, low battery indicator, 15' (4.6m) operating range, and a 20' (6m) wired cable with a field-replaceable connector.

With a wide range of available communicating transmitters and receivers, the Honeywell TR21 Series is designed to meet virtually all temperature measurement, monitoring, and control requirements. The following TR21 Wireless Temperature Sensor/Receiver Kit (with a black bezel) is designed to measure temperatures from -20°-155°F (-30°-68°C) in a single zone environment.

With a Honeywell TR21 Wireless Temp Sensor, you can remotely view the temperature of your home or office, even from a smartphone or computer. Simply attach the wireless sensor to an air duct in your home or office and plug in the receiver with its included 12' cable. After setting up an account online, you can monitor the temperature in different rooms all on one screen. You can also view the setpoints, statuses, alarms for up-to-the minute information including current and average temperatures, high and low temperatures and total hours since alarm activation.

A wireless temperature sensor designed for wireless thermostat use. The TR21 wirelessly transmits room temperature information up to 3 feet away from the receiver using Radio Frequency (RF) technology. It allows you to add a room or remote locations to your existing system without running new wiring.

Stay in control of your thermostat and remotely control temperature from anywhere with our TR21 wireless thermostat. No programming or tools required. HONEYWELL-TR21-WKU Available for either 24VAC or 34VDC systems, this single-stage receiver can be installed on the same system as your current thermostat or on a new one. With the ability to set temperature thresholds, manage multiple locations from a single display, and automatically adjust heating and cooling settings based on indoor/outdoor temperature, you'll be sure to get the most out of your thermostat.