Manufacturer | KETOTEK |
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Part number | KTF0163C |
Item Weight | 240 g |
Product Dimensions | 8.6 x 4 x 8.6 cm; 240 g |
Item model number | KTF0163C |
Size | 3A Boiler |
Colour | Black |
Style | Smart |
Material | Acrylonitrile Butadiene Styrene, Polycarbonate |
Shape | Square |
Power source type | Corded Electric |
Voltage | 220 Volts |
Item Package Quantity | 1 |
Display style | Time Display |
Plug profile | Wall Mount |
Specification met | energy |
Special Features | Vacation Mode, Programmable, Frost Protection |
Specific uses | Boiler |
Included components | Thermostat, 2 screws, manual |
Batteries included? | No |
Batteries Required? | No |
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Smart Thermostat WiFi Black for Boiler 3A 220V with Dry Contact, Programmable Boiler Thermostat Controller Compatible with Alexa, Tuya/Smart Life App Control
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Purchase options and add-ons
Brand | KETOTEK |
Controller type | Amazon Alexa |
Special feature | Vacation Mode, Programmable, Frost Protection |
Colour | Black |
Specific uses for product | Boiler |
Temperature Control Type | Heating |
Connectivity technology | Wi-Fi |
Included components | Thermostat, 2 screws, manual |
Power source | Corded Electric |
Voltage | 220 Volts |
About this item
- 【Compatibility】 Flush mount, easy to install and use. The KTF0163C is a WiFi enabled thermostat for boiler, combi boiler and water underfloor heating, helping save much on your energy usage and maximise comfort. Power supply: AC 90-240V 50/60Hz, Output: current Imax 3A. Connect neutral and phase wires to ports 3 and 4 for 220v power supply, connect your boiler to ports 5 and 6 (dry contact). Make sure your boiler output is dry contact (i.e. no voltage) before buying.
- 【Smart control via app/voice】 Gain control over your smart thermostat for combi boiler from anywhere at any time through your smart phone or tablet using the tuya or smart life App. Easily connect the thermostat with voice assistant devices (compatible with Alexa and Google Assistant) to use simple voice commands to control the thermostat. 2.4GHz WiFi required, does not support 5GHz WiFi.
- 【Weekly Programming】 This Black Thermostat WiFi for Boiler offers manual mode, program mode and holiday mode to suit your individual needs. The program mode features 5/2, 6/1 and 7/0 day scheduling with 6 time periods per day, heating your home to the right temperature only when needed with the schedule to save energy and costs on your energy bill.
- 【Open window detection】 The open window detection function makes it easy to save energy. The boiler thermostat wifi will automatically close down the heating to prevent energy wastage when the room is ventilated – by detecting a rapid drops in room temperature (such as when a door or window is left open).
- 【More functions】 Temperature calibration, ventilation function, reset function, frost protection, child lock, memory function that all settings will be saved when power off, hysteresis setting, etc. Package: 1*thermostat; 2*screws; 1* manual.
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Product information
Technical Details
Additional Information
ASIN | B08FJ367RV |
---|---|
Customer Reviews |
4.2 out of 5 stars |
Best Sellers Rank | 27,760 in DIY & Tools (See Top 100 in DIY & Tools) 50 in Home Programmable Thermostats |
Date First Available | 10 Aug. 2020 |
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KETOTEK Smart Thermostat WiFi Black for Boiler 3A 220V with Dry Contact, Programmable Boiler Thermostat Controller Compatible with Alexa, Tuya/Smart Life App Control
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From the brand

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KETOTEK is dedicated to the research, production and sales of industrial and home automation products. Whether in Europe, North America or Asia, we have launched many reliable products. It is our long-term mission to provide consumers with the best quality products.
Product Description


KETOTEK Smart WiFi Thermostat for Boiler/Water Underfloor Heating 3A Compatible with Alexa Echo/Google Assistant/Tuya
Enjoy a ultimately comfortable, energy-saving and smart life with this KETOTEK WIFI thermostat. It is easy to install and operate. It supports Tuya APP remote control and also works with Amazon Alexa, Google Assistant.
Features:
- Supports APP & voice control. Compatible with Amazon Alexa, Google Assistant, Tuya
- Built-in sensor and external probe selection
- 5+2/6+1/7 days weekly programmable mode
- 3 modes to choose from: Auto mode, manual mode and holiday mode
- Ventilation mode
- Data storage when power off
- Child-lock function
- Temperature calibration
Voice control
Easily connect your WiFi Smart Thermostat with compatible voice assistant devices like Amazon Alexa, Google Assistant.
APP Remote Control
Choose from the Smart Life app or the Tuya Smart app to control your WiFi thermostat anytime, anywhere.
Manual Control
The KETOTEK smart thermostat also works perfectly without WiFi. You can also set the parameters easily on the thermostat.
3 Modes to choose from
Choose from program mode (5+2/6+1/7 day program type with max 6 time periods per day), manual mode or holiday mode to optimize your underfloor heating to suit your individual needs, while saving energy and costs on your energy bill.
Weekly Programming
The KETOTEK WiFi thermostat features 5/2 days, 6/1 days and 7 days scheduling with up to 6 different periods settings per day to fit your weekly schedule. Heat your home to the right temperature only when needed to save energy and costs on your energy bill.
Ventilation mode
This KETOTEK thermostat WiFi can be configured to detect a rapid drop in temperature (such as when a door or window is left open) and automatically close down the heating to prevent energy wastage. After the ventilation is over, it automatically returns to the original working mode.
Temperature calibration
If there is a deviation in temperature, you can use a thermometer to compare and calibrate. The difference can be adjusted in the settings of the APP, or the difference can be adjusted on the thermostat.
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Customer Reviews |
4.2 out of 5 stars 725
|
4.2 out of 5 stars 235
|
3.4 out of 5 stars 165
|
4.2 out of 5 stars 2,059
|
4.3 out of 5 stars 82
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4.2 out of 5 stars 218
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Price | £14.99£14.99 | £25.99£25.99 | £32.99£32.99 | £44.99£44.99 | £57.99£57.99 | £24.99£24.99 |
Rated voltage | 220V | 230V | 2*1.5V AA alkaline batteries | 90-240V | 90-240V | 230V |
Rated current | AC 16A | AC 16A | no data | AC 16A/3A | AC 16A/3A | AC 16A |
Display screen | no data | LCD | LED | LCD | LCD | LCD |
Programmable | no data | ✓ | ✓ | ✓ | ✓ | ✓ |
WiFi | no data | no data | ✓ | ✓ | ✓ | no data |
Work with Alexa | no data | no data | ✓ | ✓ | ✓ | no data |
Tuya APP | no data | no data | ✓ | ✓ | ✓ | no data |
Work with Google Assistant | no data | no data | ✓ | ✓ | ✓ | no data |
Application | Electric Heating | Electric Heating | Radiator | Water/Gas Boiler/Electric Heating | Water/Gas Boiler/Electric Heating | Electric Heating |
Customer reviews
Customer Reviews, including Product Star Ratings, help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the thermostat easy to set up and use, particularly appreciating its compatibility with Alexa and its ability to control underfloor heating systems. Moreover, the device receives positive feedback for its temperature control features, with one customer mentioning they can set temperatures by talking to Alexa, and its quality and value for money. Additionally, customers like its appearance and display, and appreciate its control features, with one noting the ability to program heating schedules. However, the WiFi connectivity receives mixed reviews, with several customers reporting connection issues.
AI-generated from the text of customer reviews
Customers find the thermostat easy to set up and use, particularly appreciating how simple it is to connect to WiFi and operate through the mobile app.
"...The unit works really well with Alexa with simple commands..ie: "Heating 18 or Up 2 or down 3".. can also question "Whats the heating Temperature"..." Read more
"...The instructions for setting up were clear and easy to understand but I was a little surprised that there were no instructions about fitting the unit..." Read more
"The thermostat was easy to install and connect to the Yuya app...." Read more
"...The app excellent and is really easy to use which meant I could program it exactly how I want without having to have the same settings Monday to..." Read more
Customers find that the thermostat functions well, particularly with Alexa integration, and one customer mentions it works effectively with a 3-cable boiler setup.
"...The unit works really well with Alexa with simple commands..ie: "Heating 18 or Up 2 or down 3".. can also question "Whats the heating Temperature"..." Read more
"The thermostat was easy to install and connect to the Yuya app. It works well but I discovered the accuracy could have been better when checked..." Read more
"...between the timer programme and manual control is easy and it works with my Alexa and again, this was easy to set up...." Read more
"Good quality. Looks so much nicer on the wall. Works well with 3 cable boiler setup. I can now operate heating from anywhere." Read more
Customers find the thermostat to be a superb piece of kit.
"Good quality. Looks so much nicer on the wall. Works well with 3 cable boiler setup. I can now operate heating from anywhere." Read more
"Working well and seems to be better than old stat. Very easy to install and to program and set up on WiFi. Good unit." Read more
"great unit, does everything you could want, easy install, easy to use app, cant see what a more expensive unit would offer" Read more
"Decent, perfectly serviceable thermostat, but I wouldn't get one for a bedroom...." Read more
Customers find the thermostat to be excellent value for money, particularly as a smart replacement for old warmup thermostats.
"...Basically a great unit, good value which looks good and works extremely well." Read more
"...Great value for it’s price" Read more
"Great value for money. Quick and easy to install and connected immediately to app for programming use." Read more
"...Overall good value for money, work well and look good. 1 star lost because the software is a bit clunky." Read more
Customers appreciate the thermostat's temperature control features, with one mentioning they can set it by talking to Alexa, while others note it transforms their heating system.
"...also question "Whats the heating Temperature" gives you instant temperature of house from anywhere...." Read more
"...boiler from my iPhone and can turn it ona dnoff and set the temperature by talking to Alexa." Read more
"...The thermostat calibration can be adjusted from setting's within the app...." Read more
"...There is now a nice toasty warmth underfoot and the ambient temperature of the room is greatly improved as a result...." Read more
Customers like the appearance of the thermostat, particularly its display, with one customer noting it's better than white.
"...Basically a great unit, good value which looks good and works extremely well." Read more
"Good quality. Looks so much nicer on the wall. Works well with 3 cable boiler setup. I can now operate heating from anywhere." Read more
"...Overall good value for money, work well and look good. 1 star lost because the software is a bit clunky." Read more
"I like the display and the simple controls. I also wanted to access the thermostat by wifi and Alexa but setting that up proved time consuming...." Read more
Customers appreciate the thermostat's control features, with one mentioning the ability to control it via phone and another noting its programming flexibility.
"...Also visible & controllable on screen or on mobile...." Read more
"...I was very pleased with the programming flexibility and only found a slight problem with the colours used in the app where some links were shown as..." Read more
"...Switching between the timer programme and manual control is easy and it works with my Alexa and again, this was easy to set up...." Read more
"...is in an awkward location so it is so much more convenient to use wifi to control the heating...." Read more
Customers have mixed experiences with the thermostat's WiFi connectivity, with some finding it easy to connect to, while others report difficulties and mention that the connection keeps dropping.
"...I found connections clear, but I do have electrical background. If unsure you will need to get a Gas Safe/Spark Engineer in to install...." Read more
"Installed and connected to WiFi OK. However, it keeps dropping connection so is basically useless. None of my other devices drop out like this...." Read more
"Connected perfectly. I don't understand any icons. But smart app does the job brilliantly...." Read more
"...There is nothing wrong with this item but I was unable to connect it to my existing underfloor wiring...." Read more
Reviews with images

Great WIFI Thermostat
Top reviews from United Kingdom
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- Reviewed in the United Kingdom on 30 March 2025Size Name: 3A BoilerColour Name: WhiteVerified PurchaseI got this WIFI Thermostat to replace a basic unit for a combi boiler which went faulty. It programmed in to the SmartLife App and Alexa very quick and with ease.
The unit is very nice looking and works very well, everytime. The controls and displays are very clear and simple to operate manually, automatically or by using Alexa.
Easy operation within house and remotely to put heating up or down as required.
The unit works really well with Alexa with simple commands..ie: "Heating 18 or Up 2 or down 3".. can also question "Whats the heating Temperature" gives you instant temperature of house from anywhere. Also visible & controllable on screen or on mobile.
The DIY Installation was fairly easy as I didnt need to go into the boiler for connections, but recommend a 40mm deep back box for unit & cables. I found connections clear, but I do have electrical background. If unsure you will need to get a Gas Safe/Spark Engineer in to install. Basically a great unit, good value which looks good and works extremely well.
I got this WIFI Thermostat to replace a basic unit for a combi boiler which went faulty. It programmed in to the SmartLife App and Alexa very quick and with ease.
The unit is very nice looking and works very well, everytime. The controls and displays are very clear and simple to operate manually, automatically or by using Alexa.
Easy operation within house and remotely to put heating up or down as required.
The unit works really well with Alexa with simple commands..ie: "Heating 18 or Up 2 or down 3".. can also question "Whats the heating Temperature" gives you instant temperature of house from anywhere. Also visible & controllable on screen or on mobile.
The DIY Installation was fairly easy as I didnt need to go into the boiler for connections, but recommend a 40mm deep back box for unit & cables. I found connections clear, but I do have electrical background. If unsure you will need to get a Gas Safe/Spark Engineer in to install. Basically a great unit, good value which looks good and works extremely well.
Images in this review
- Reviewed in the United Kingdom on 13 October 2024Size Name: 3A BoilerColour Name: WhiteVerified PurchaseI've been looking for a central heating programmer and thermostat to replace a battery powered one that doesn't work with Alexa . This one fitted the bill and I ordered it.
It arrived on time and I set it up on my workbench. I already have a Smart Life appliance so it was only a few seconds before it was set up and functioning. I was very pleased with the programming flexibility and only found a slight problem with the colours used in the app where some links were shown as white on a very pale grey background so almost invisible,
The instructions for setting up were clear and easy to understand but I was a little surprised that there were no instructions about fitting the unit. Fortunately as an engineer I realised how it was mounted but wonder if anyone without that background would understand how to do that.
As my CH boiler is switched on by a live mains connection to the wire from the boiler I could use the uncommitted relay output to simply extend that to operate the heating.
Overall very pleased with the purchase and hope that it will last as long as the old programmer has.
Time will tell but I do like the ability to control all aspects of my CH boiler from my iPhone and can turn it ona dnoff and set the temperature by talking to Alexa.
- Reviewed in the United Kingdom on 5 December 2024Size Name: 3A BoilerColour Name: WhiteVerified PurchaseThe thermostat was easy to install and connect to the Yuya app. It works well but I discovered the accuracy could have been better when checked against a digital thermometer. The thermostat calibration can be adjusted from setting's within the app. However, there is no mention of carrying out this procedure in the instructions so I have marked it down a star.
- Reviewed in the United Kingdom on 23 February 2025Size Name: 16A Electric Floor HeatingColour Name: BlackVerified PurchaseI can’t even begin to say how impressed I have been with this thermostat. I replaced one which even though relatively new was extremely difficult to set up the program times on and off. I switched it over myself which was an absolute breeze using the already installed probe. The app excellent and is really easy to use which meant I could program it exactly how I want without having to have the same settings Monday to Friday. It did easily connect to my Alexa devices so I can simply tell Alexa to set the underfloor heating to 30 degrees if I want to boost the heating in between. Only downside is the display which I think could look better and that some of the light leaks out from the sides which I notice at night but that really is a minor thing. Great value for it’s price
I can’t even begin to say how impressed I have been with this thermostat. I replaced one which even though relatively new was extremely difficult to set up the program times on and off. I switched it over myself which was an absolute breeze using the already installed probe. The app excellent and is really easy to use which meant I could program it exactly how I want without having to have the same settings Monday to Friday. It did easily connect to my Alexa devices so I can simply tell Alexa to set the underfloor heating to 30 degrees if I want to boost the heating in between. Only downside is the display which I think could look better and that some of the light leaks out from the sides which I notice at night but that really is a minor thing. Great value for it’s price
Images in this review
- Reviewed in the United Kingdom on 16 February 2021Size Name: 16A Electric Floor HeatingColour Name: WhiteVerified PurchaseOverall I’m pretty pleased with this unit. Installation was simple enough, however mine was complicated by two factors... firstly the unit is deeper than the thermostat it was replacing. Even with a standard size backplate, this new unit wouldn’t fit. So I had to buy a ‘spacer’ to put between the wall and the unit. It’s so much deeper, that even with this spacer, it only just fits, I very nearly needed two.
Secondly it was complicated by the wiring for the floor temperature probe, specifically the type of connector at the back on the unit. In the box is a new temperature probe, this has a two thick metal ends which plug into the unit. There was already a probe in place, so rather than disrupt everything I wanted to use the existing one. In theory not a problem, however the new unit wouldn’t take bare wires... no matter how much you tightened it they would slip out and the one time I did manage to get the unit mounted without them falling out, on power up it came up with a floor sensor error message.
The solution was the cut the wire provided in the box, with the two thick metal ends, and join the existing wires to the new wire. Ultimately that worked, but was a bit of a pain.
However now it’s installed and set up, I’m pleased to report a few good things too.
Firstly it’s really easy to use, either via the Wi-Fi app or using the controls on the screen. It’s so much more intuitive than the traditional unit it was replacing which required a degree in jibberish to programme. Switching between the timer programme and manual control is easy and it works with my Alexa and again, this was easy to set up.
Secondly, having suspected the old thermostat was faulty, this has given new life to an old underfloor heating system in our kitchen. There is now a nice toasty warmth underfoot and the ambient temperature of the room is greatly improved as a result.
Pretty happy overall, but marked down one star for each of the installation issues.
3.0 out of 5 starsOverall I’m pretty pleased with this unit. Installation was simple enough, however mine was complicated by two factors... firstly the unit is deeper than the thermostat it was replacing. Even with a standard size backplate, this new unit wouldn’t fit. So I had to buy a ‘spacer’ to put between the wall and the unit. It’s so much deeper, that even with this spacer, it only just fits, I very nearly needed two.Fiddly installation, but overall a success
Reviewed in the United Kingdom on 16 February 2021
Secondly it was complicated by the wiring for the floor temperature probe, specifically the type of connector at the back on the unit. In the box is a new temperature probe, this has a two thick metal ends which plug into the unit. There was already a probe in place, so rather than disrupt everything I wanted to use the existing one. In theory not a problem, however the new unit wouldn’t take bare wires... no matter how much you tightened it they would slip out and the one time I did manage to get the unit mounted without them falling out, on power up it came up with a floor sensor error message.
The solution was the cut the wire provided in the box, with the two thick metal ends, and join the existing wires to the new wire. Ultimately that worked, but was a bit of a pain.
However now it’s installed and set up, I’m pleased to report a few good things too.
Firstly it’s really easy to use, either via the Wi-Fi app or using the controls on the screen. It’s so much more intuitive than the traditional unit it was replacing which required a degree in jibberish to programme. Switching between the timer programme and manual control is easy and it works with my Alexa and again, this was easy to set up.
Secondly, having suspected the old thermostat was faulty, this has given new life to an old underfloor heating system in our kitchen. There is now a nice toasty warmth underfoot and the ambient temperature of the room is greatly improved as a result.
Pretty happy overall, but marked down one star for each of the installation issues.
Images in this review
- Reviewed in the United Kingdom on 1 December 2024Size Name: 3A BoilerColour Name: BlackVerified PurchaseGood quality. Looks so much nicer on the wall. Works well with 3 cable boiler setup. I can now operate heating from anywhere.
- Reviewed in the United Kingdom on 7 January 2025Size Name: 16A Electric Floor HeatingColour Name: WhiteVerified PurchaseInstalled and connected to WiFi OK. However, it keeps dropping connection so is basically useless. None of my other devices drop out like this. Little point in having a device I have to reconnected every few hours or less. Totally unreliable.
- Reviewed in the United Kingdom on 13 April 2025Size Name: 16A Electric Floor HeatingColour Name: WhiteVerified PurchaseGreat value for money. Quick and easy to install and connected immediately to app for programming use.
Top reviews from other countries
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dorianoReviewed in Italy on 4 February 2022
5.0 out of 5 stars Ottimo e compatibile
Size Name: 16A Electric Floor HeatingColour Name: WhiteVerified PurchaseFunziona bene
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SagrarioReviewed in Spain on 8 December 2023
5.0 out of 5 stars MARAVILLOSO
Size Name: 3A BoilerColour Name: WhiteVerified PurchaseHicimos una pequeña reforma en casa y nos aventuramos a domotizarla un poco.
Que gran descubrimiento cuando compramos este aparato, se instala de una manera súper sencilla, se conecta a la caldera de manera fácil y clara.
Es programable y temporizable, se enlaza con los asistentes de voz de una manera muy intuitiva.
Posiblemente haya otros mejores con más funciones y de mayor precio, pero si quieres algo bueno, bonito y barato, que cumpla su función y te haga la vida más cómoda es un producto altamente recomendable.
irte a pasar un fin de semana y poder programar la calefacción para que a la vuelta esté la casa calentita, es posiblemente una de las sensaciones más gratificantes que puedes pedirle a un aparato de estos.
- Johan PonténReviewed in Sweden on 27 October 2023
5.0 out of 5 stars The manual could be better
Size Name: 16A Electric Floor HeatingColour Name: WhiteVerified PurchaseIt would have been easier to set it up if the manual described the function better. But after some experiments it works as intended.
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GereonReviewed in Germany on 1 April 2025
5.0 out of 5 stars Funktioniert perfekt im Smart Home;
Size Name: 16A Electric Floor HeatingColour Name: WhiteVerified PurchaseDie Thermostatsteuerung ist perfekt für meine elektrische Fussbodenheizung im Badezimmer. Sie wird von der Smart-Life App angesteuert. Dort kann man komfortabel Steuerzeiten und Temperatur einstellen. Kein Knöpfenprogrammieren am Gerät nötig.
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MarcoReviewed in the Netherlands on 28 February 2023
5.0 out of 5 stars Thermostaat doet wat t moet doen
Size Name: 16A Electric Floor HeatingColour Name: WhiteVerified PurchaseVervanging van de vloerthermostaat in de badkamer. Zeer snelle levering
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Product Summary: KETOTEK Smart Thermostat WiFi Black for Boiler 3A 220V with Dry Contact, Programmable Boiler Thermostat Controller Compatible with Alexa, Tuya/Smart Life App Control
From KETOTEK
About this Item
- 【Compatibility】 Flush mount, easy to install and use. The KTF0163C is a WiFi enabled thermostat for boiler, combi boiler and water underfloor heating, helping save much on your energy usage and maximise comfort. Power supply: AC 90-240V 50/60Hz, Output: current Imax 3A. Connect neutral and phase wires to ports 3 and 4 for 220v power supply, connect your boiler to ports 5 and 6 (dry contact). Make sure your boiler output is dry contact (i.e. no voltage) before buying.
- 【Smart control via app/voice】 Gain control over your smart thermostat for combi boiler from anywhere at any time through your smart phone or tablet using the tuya or smart life App. Easily connect the thermostat with voice assistant devices (compatible with Alexa and Google Assistant) to use simple voice commands to control the thermostat. 2.4GHz WiFi required, does not support 5GHz WiFi.
- 【Weekly Programming】 This Black Thermostat WiFi for Boiler offers manual mode, program mode and holiday mode to suit your individual needs. The program mode features 5/2, 6/1 and 7/0 day scheduling with 6 time periods per day, heating your home to the right temperature only when needed with the schedule to save energy and costs on your energy bill.
- 【Open window detection】 The open window detection function makes it easy to save energy. The boiler thermostat wifi will automatically close down the heating to prevent energy wastage when the room is ventilated – by detecting a rapid drops in room temperature (such as when a door or window is left open).
- 【More functions】 Temperature calibration, ventilation function, reset function, frost protection, child lock, memory function that all settings will be saved when power off, hysteresis setting, etc. Package: 1*thermostat; 2*screws; 1* manual.
Product description
MAIN FUNCTION
- Supports APP and voice control. Compatible with Echo Alexa, Google Assistant, Tmall Genie, Tuya
- weekly program mode include 5+2,6+1,7 days. Also support DIY program
- 3 modes to choose : Auto mode, manual mode and holiday mode
- Data memory when power off, Key-lock ,time display
TECHNICAL SPECIFICATION
- Power supply: 90-240VAC 50/60HZ
- Temperature range:0~70℃
- Probe sensor: NTC(10k)1%
- Contact capacity: 3A/250V
Options Available
Size Name
- 3A Boiler
- 3A Water Floor Heating
- 16A Electric Floor Heating
Colour Name
- Black
- White
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