Spark T-50 Thermostat

Square · 1:1
Warm floors. On your schedule.
The Spark T-50 is a round touch-screen thermostat for water underfloor heating, electric floor heating and gas boilers. Set a 7-day programme, or control it from the Tuya Smart app and by voice. Choose Wi-Fi or Zigbee.
7days
A programme for every day of the week.
6periods/day
Set a time and temperature for each period.
86 × 86mm
Front-panel size.
The display
See the target temperature, heating status, time, programme, network status and child lock on the round display. Five capacitive keys select mode, clock, power, temperature up and temperature down.
Programmable, manual and energy saving.
Capacitive controls behind smooth glass.
From cool blue to warm orange.

Choose your heating version
Choose GA for water underfloor heating, GB for electric floor heating or GC for a gas boiler. The versions share the display, settings and NTC sensor input. Each heating version is available with Wi-Fi or Zigbee.
Drives the valve or actuator on the manifold; 5 A maximum.
Switches the heating cable or mat; 16 A maximum.
Dry contact starts and stops the boiler; 5 A maximum.
Internal, external or both: internal room control with an external floor-temperature limit.

7-day programme
Set up to six periods per day, each with its own time and temperature. Change the temperature, mode or weekly programme through the Tuya Smart app. Voice control works with Alexa and Google Assistant.
Follows the weekly programme automatically.
Holds the temperature you set.
Uses the economy temperature.

Advanced settings
The advanced menu controls temperature compensation, deadzone, key locking, sensor mode and temperature limits. It also sets frost protection, floor overheat protection and economy mode. The full options and defaults appear in the specifications and brochure.
Adjustable from 0 to 10 °C.
Floor-temperature limit adjustable from 25 to 70 °C.
Lock all keys, or leave the power key available.
Internal-sensor correction from −9 to +9 °C.

Choose your network
Choose the network version for your home. The Wi-Fi version connects directly to the home router. The Zigbee version needs a Tuya Zigbee gateway, such as the gateway built into Spark 7-inch and 10-inch panels.
Connects to the home router without a hub.
Joins through a Tuya Zigbee gateway.
Planning a home or a building? A Spark partner can specify the right T-50 for it.