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Smart Modulating Thermostat

Smart Modulating Thermostat's technical specifications

Product description

Programmable Thermostat with smart features. E-paper display. Translucent plexiglass cube designed by Starck. Can be customised with one of four available colours. Temperature can be directly adjusted on the Thermostat. Designed for indoor use only.

Product size

Thermostat & Relay: 83x83x22 mm

Sensors and measurements

Temperature (measurements):
Range: 0°C to 50°C (± 0.1°C)
Temperature (setpoint):
Range: 5°C to 30°C (± 0.5°C)
Units: °C only


Modulating Thermostat: 3 AAA batteries (up to 2-year lifespan*)
Relay: 220/240 V

Setup and compatibility

Only compatible with OpenTherm modulating boilers.

OpenTherm control on Relay, potential free.

Switching current: max 4 A

Switching voltage: max 250 VAC

Switching power: max 120 VA (4A load @ 30V, 1A load @ 110V/120V or 0,5A load @ 220V/240V)

Power factor : cos phi > 0.8

Pack contents

1 Smart Modulating Thermostat
1 Relay
1 mobile stand and 1 wall-bracket
1 wall mounting plate (132 x 132mm)
1 boiler adaptor
4 color adhesives
3 AAA batteries
4 screws and 4 anchors


High-speed wireless internet connection needed. Public hotspots not supported

Connectivity specifications

Between the Relay and the Internet box: Wi-Fi 802.11 b/g/n (2.4GHz).
Open/WEP/WPA/WPA2-personal (TKIP and AES)
Between the Thermostat and the Relay: radio long-range (868 MHz)

Free App

No subscription fee

App compatibility

To control this HomeKit-enabled accessory, the latest version of iOS or iPadOS is recommended.
A recent version of Android with access to Google Play is recommended.

Regulatory statements

Declaration of Conformity

Used Libraries

Erp Directive
*Life span for typical use. The battery’s life span may vary based on the use of the Smart Modulating Thermostat.