DEVIreg Smart Wi-Fi Thermostat Polar White Programmable Underfloor & Room Heating Controller Danfoss 140F1140
£87.01
Ex. VAT
(over £100+VAT, applies to zone A only , £6 +VAT otherwise)
Order online & collect in store
The Danfoss 140F1140 DEVIreg Smart Polar White is a programmable Wi-Fi thermostat designed to control electric underfloor heating and room heating systems with precision and convenience. It replaces traditional thermostats with an intuitive touchscreen-based interface and app-enabled control that adapts to your lifestyle and heating needs.
This device helps maintain comfortable temperatures while reducing energy use by allowing custom weekly programming and remote control via the DEVIsmart™ App. It includes smart energy-saving functions like adaptive control and open-window detection that optimise heating schedules and reduce wastage.
Ideal for homes, apartments, and offices with underfloor heating or electric radiators, the 140F1140 combines modern connectivity with robust thermostat functions and compliance with relevant safety standards.
Features & Benefits
- Programmable thermostat with weekly schedules to tailor heating to your routine.
- Wi-Fi connectivity with DEVIsmart™ App for remote control from smartphone/tablet.
- Touchscreen interface for simple local control and clear feedback.
- Smart energy features including open window detection and optimum start/end control.
- Adaptive control that learns your heating patterns to improve comfort and reduce running costs.
- Supports multiple sensors: Works with room and floor NTC sensors for versatile installation.
- Stylish and compact design that fits standard wall or flush mounting.
- Pair with multiple devices: Can link up to 10 smart devices to one thermostat via the app.
Technical Specifications
- Model: 140F1140 (DEVIreg Smart, Polar White)
- Application: Electric underfloor heating and room heating control
- Voltage: 220–240 V AC, 50/60 Hz
- Rated output current: 16 A (max 3680 W resistive load)
- Control type: PWM (Pulse Width Modulation) adaptive control
- Temperature range: ~5 °C to 35 °C (room), ~5 °C to 45 °C (floor)
- Display: Touchscreen LCD display
- Sensors: Internal room sensor; supports external NTC floor/room sensors
- Standby power: ~0.40 W
- IP rating: IP21 (indoor use)
- Installation: Wall or flush mounting (standard wall box)
- Dimensions: ~85 × 85 × 20-44mm (depth in wall ~22mm)
- Colour: Polar White (RAL 9016)
- Standards: EN/IEC 60730 general and thermostat standards; EN 300 328 for Wi-Fi
Three Reasons Customers Recommend It
- Convenient remote control: Wi-Fi connectivity lets you adjust temperatures from anywhere via the DEVIsmart™ App.
- Energy-saving features: Functions like open-window detection and adaptive PWM control reduce wasted heating.
- Flexible scheduling: Weekly programming makes tailoring heating patterns easy and practical.
Who Needs It
- Homeowners with electric underfloor heating or electric radiators seeking smarter temperature control.
- Builders and installers specifying modern thermostats for renovations or new builds.
- Property managers who want a network-controllable thermostat solution for comfort and efficiency.
- Anyone wanting remote access and programmable schedules to reduce heating costs and improve comfort.
Who Can Install It
Installation of the Danfoss 140F1140 thermostat should be carried out by a qualified electrician or competent HVAC installer, as it involves mains wiring (230 V AC) and integration with heating circuits and sensors. Professional installation helps ensure correct electrical connection, compliance with wiring regulations, and optimal sensor placement for effective temperature control.
Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.
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Shipping
Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.
If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.
Returns
We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.
