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The WiFi Thermostat 563 operates either a multi-stage conventional or heat pump HVAC system, a fan, and up to two accessories, including a humidifier, dehumidifier and ventilator. When connected to the Internet, the Watts® Home mobile allows the thermostat to be controlled remotely. A 7-day, 4-event programmable schedule is available and the early start feature automatically learns to heat up the room by the scheduled time. An Away mode is quickly and easily accessed to provide energy savings when the space is unoccupied. An optional floor sensor can be installed to enhance comfort and protect floor coverings when operating radiant floor systems.


  • Mobile and web app for remote control, away energy savings mode

  • Optional remote floor, room, outdoor and relative humidity sensors, local outdoor temperature and weather

  • Email error and warning notifications, automatic time clock

  • 7 day programmable schedule, early start

  • Energy monitoring, multiple background colors

  • Humidifier window frost protection, conventional systems: 2-stage heating, 2-stage cooling, fan and 2 accessories

  • Heat pump systems: 4-stage heating, 2-stage cooling, fan, reversing valve and 1 accessory

  • Supports dual fuel systems

  • Accessory options: humidifier, dehumidifier, HRV/ERV ventilator, water-source heat pump loop valve

341.80 341.80

  • Dimensions
  • Ambient conditions
  • Approvals
  • Enclosure
  • Control
  • Relays
  • Environmental
  • Warranty
  • Packaged weight
  • Power supply
  • Mobile app
  • Display
  • Communications
  • –Included Sensors
  • Humidity sensor
  • Temperature sensor
  • Languages
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days
Dimensions: 4-5/8" H x 3" W x 15/16" D (118 x 76 x 24 mm)
Ambient conditions: Indoor use only, 32 to 122°F (0 to 50°C), RH ≤90% non-condensing
Approvals: Meets Class B: ICES & FCC Part 15
Enclosure: White PVC plastic, NEMA type 1
Control: Microprocessor control. This is not a safety (limit) control.
Relays: 30 V (ac/dc), 2 A, Class 2 circuits
Environmental: Do not use in presence of ammonia (animal barns).
Warranty: Limited 3 Year (See 563_D for full warranty)
Packaged weight: 0.7 lb
Power supply: 15 to 30 V (ac/dc), 2 VA, Class 2
Mobile app: Apple iOS 12 or higher, Android 8 or higher
Display: 3.5" color touchscreen
Communications: WiFi 802.11n, 2.4 GHz, WPA2 encryption
–Included Sensors: None
Humidity sensor: 0 to 90% ±4% RH
Temperature sensor: NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
Languages: English/Français/Español

Tekmar WiFi Thermostat 561 - One Stage Heat