Devi Room+FloorThermostat

Delivered between 22.1.2026 and 31.1.2026
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Product details

Devi room and floor thermostat 140F1140

Manufacturer: Devi
Designation: Room and floor thermostat
Type: 140F1140
Type of power supply: 230 V
Sensor external: Yes
Design transducer/sensor: Resistance sensor
Temperature readable: Yes
With display: Yes
Design clock: Digital
Operation: Touch screen
Max. voltage of contacts: 230 V
Max. contact load: 16 A
Protection class (IP): IP21
Color: White RAL 9016
Width: 85 mm
Height: 85 mm
Power consumption in standby mode: 0.4 W

The Devi room and floor thermostat 140F1140 is a puristic timer thermostat with a design single frame, allowing settings via WLAN app and smartphone or tablet. It is suitable for various switch programs and features patented compatibility with single and multiple frames. It is also compatible with NTC floor sensors from other manufacturers and includes patented read-out and reading of the setting code for remote maintenance.

Operating voltage: 220-240 V, 50/60 Hz
Power consumption in standby mode: < 400 mW
Relay resistive load: 16 A / 3680 W at 230 V
Inductive load: cos Phi = 0.3 max. 1 A
Sensor unit: NTC 15 kOhm at 25 °C
Low voltage galvanically isolated from power supply
Control: PWM - pulse width modulation
Ambient temperature: +5 to +30 °C
Floor temperature limit: +10 to +35 °C
Frost protection: +5 °C (+5 to +9 °C)
Temperature range: 5-35 °C (room) or 5-35 °C (floor)
Setback temperature: 5 to +30 °C
Storage temperature: -20 to +65 °C
Power reserve: Settings retained for time, date, consumption counter: 24 hours
Protection class: IP 21
Dimensions (H/W/D): Two-piece touch-proof structure
Installed (design frame): 85 mm × 85 mm × 44 mm
Top: 67 mm × 67 mm × 22 mm
Color: Polar white RAL 9016
EAN: 5703466239629.

Key specifications

Power supply
Electrical connection
Thermostat type
Room thermostat
Suitable for
Underfloor heating
Smart Home
Compatible
Items per sales unit
1 pcs.
Item number
20348735

General information

Manufacturer
Devi
Category
Thermostats
Manufacturer no.
140F1140
Release date
30.3.2022

Colour

Colour
White
Exact colour description
Polar white

Thermostat properties

Thermostat type
Room thermostat
Suitable for
Underfloor heating
temperature control
Manual
Temperature range
5° - 35° C
Display
Touch screen

Smart home features

Smart Home
Compatible

Origin

Country of origin
Romania

Voluntary climate contribution

CO₂-Emission
Climate contribution

Safety

Protection type (IP code)
IP21

Power supply

Power supply
Electrical connection

Scope of delivery

Items per sales unit
1 pcs.
Scope of delivery
ManualRoom+floor thermostat RAL9016

Product dimensions

Length
1.10 cm
Width
8.50 cm
Height
8.50 cm

Package dimensions

Length
11.10 cm
Width
11.10 cm
Height
8.60 cm
Weight
256 g

30-day right of return
24 Months Warranty (Bring-in)

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Goes with

Reviews & Ratings

Warranty score

How often does a product of this brand in the «Thermostats» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Devi
    Not enough data
  • 1.Oventrop
    0 %
  • 1.TP-Link
    0 %
  • 3.Eberle Controls
    0.1 %
  • 4.Inkbird
    0.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Devi
    Not enough data
  • 1.Aqara
    0 days
  • 1.Ecoheat
    0 days
  • 1.EQ-3
    0 days
  • 1.Homematic IP
    0 days

Return rate

How often is a product of this brand in the «Thermostats» category returned?

Source: Digitec Galaxus
  • 17.Honeywell
    5.6 %
  • 18.FRITZ!
    5.7 %
  • 19.Devi
    5.9 %
  • 20.Danfoss
    6.2 %
  • 21.Meross
    8.1 %
Source: Digitec Galaxus