Watts Tekmar WiFi Thermostat 561

WiFi Thermostat 561

The WiFi Thermostat 561 from Watts® offers precise temperature regulation for one-stage heating systems. By connecting to the Internet, users can remotely control the thermostat through the Watts® Home mobile app. Its versatile features include a 7-day, 4-event programmable schedule and an early start function, which intuitively learns to warm the room before scheduled times. Conveniently, an Away mode promotes energy efficiency during vacant periods.

Designed to support radiant floor heating, the thermostat accommodates optional floor sensors for enhanced comfort and floor covering protection. Key features include compatibility with iOS and Android via the mobile app, automatic software updates, and outdoor temperature display. Users can also benefit from local weather updates and receive email notifications for errors and warnings.

The thermostat boasts a user-friendly interface with language options in English, French, and Spanish, displayed on a vibrant 3.5-inch color touchscreen. Additionally, users can personalize the thermostat’s appearance with selectable background colors and enjoy energy monitoring capabilities.


Agency Approvals Meets Class B: ICES & FCC Part 15
Ambient Conditions Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 90 percent non-condensing
Control Type Microprocessor control, this is not a safety (limit) control
Dimensions 4-5/8″ H x 3″ W x 15/16″ D (118 x 76 x 24 mm)
Enclosure Material White PVC plastic
Enclosure NEMA Rating NEMA 1
Power Supply 15 to 30 V (ac/dc), 2 VA, Class 2
Relay 30 V (ac/dc), 2 A, Class 2 circuits
Sensor NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta = 3892