Display
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4 in. full-color LCD touchscreen
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540 x 540 pixel display
Dimensions
Thermostat
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Height: 103.89 mm (4.09 in.)
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Width: 103.89 mm (4.09 in.)
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Depth: 23.88 mm (0.94 in.)
Trim plate
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Height: 143.5 mm (5.65 in.)
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Width: 159.9 mm (6.29 in.)
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Depth: 7.71 mm (0.3 in.)
Power Extender Kit*
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Length: 62 mm (2.4 in.)
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Width: 62 mm (2.4 in.)
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Depth: 23 mm (0.9 in.)
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*Optional for installation
Colors
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Black front, white backing
Thermostat sensors
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Temperature
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Humidity
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Occupancy (Radar)
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Proximity (Radar)
Compatibility
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Works with most 24VAC HVAC equipment, including conventional furnaces and air conditioners (2H/2C), heat pumps (2H/2C + 1 stage AUX heat), boilers, and PTACs or fan coil units with up to 3 fan speeds. 1 wire accessory support for humidifiers, dehumidifiers, and ventilators (HRV/ERV).
HVAC accessory support
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Control a one-wire HVAC accessory device like a humidifier, dehumidifier, or ventilator.Note: Self-powered accessories will require an additional 24V isolation relay.
Wire Terminals
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R
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G
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Y1
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Y2
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W2/OB
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PEK+
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C
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W1
Connectivity & security
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Dual-band Wi-Fi: 802.11 b/g/n @ 2.4GHz, 802.11 a/n/ac @ 5GHz
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Bluetooth 5.0
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WPA, WPA2, WPA3 encryption methods
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DHCP (dynamic) or static IP addressing
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168-bit SSL encryption
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915MHz radio
Works with
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Apple HomeKit, Amazon Alexa, Samsung SmartThings, IFTTT, and more.
Bandwidth
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15-20 MB/month (dependent on Alexa Voice Service usage)
Power consumption
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Up to 3.5 VA
Powering methods
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Wired 24VAC through terminals C and Rc.
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Power Extender Kit enables you to reliably power your thermostat without having to run a fifth wire.
Sustainability
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Recycled packaging
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Mercury-free
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Arsenic-free
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PVC-free
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ROHS compliant
Temperature range
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Desired Temperature: 45° to 92°F (7° to 33°C)
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Display: 40° to 100°F (5° to 37°C)
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Sensitivity: +/− 1°F (+/− 0.5°C)
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Operating: 14° to 122°F (-10° to 50°C)
Humidity range
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Display: 20% to 90%
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Sensitivity: +/− 5%
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Operating: 5% to 95% RH (non-condensing)
Storage
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−31° to 113°F (−35° to 45°C)
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5% to 95% RH (non condensing)
Reviews
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