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🔥 Stay ahead of the chill with Siemens’ smart thermostat magic! 📡
The Siemens RDJ100RF/SET is a wall-mounted, programmable room thermostat featuring wireless RF connectivity and a 24-hour time switch. Designed with precision German engineering, it offers easy-to-use controls including a large rotary knob for fine temperature adjustments within ±0.25°C. The set includes a transmitter and receiver, supports automatic HVAC control, and comes with energy-saving freeze protection. Powered by 2 AA batteries and boasting a clear LCD backlight display, it’s a reliable, stylish upgrade for modern smart homes.
| Asin | B079HVLVZ3 |
| Backlight | Yes |
| Best Sellers Rank | 187,113 in DIY & Tools (See Top 100 in DIY & Tools) 135 in Home Programmable Thermostats |
| Brand Name | SIEMENS |
| Colour | White |
| Connectivity Protocol | Wi-Fi |
| Connectivity Technology | RF |
| Control Method | Touch |
| Control Type | Button Control |
| Controller Type | Push Button |
| Customer Reviews | 4.5 4.5 out of 5 stars (157) 4.5 out of 5 stars |
| Display Type | LCD |
| Included Components | Transmitter, Receiver (other components may be included but are not explicitly mentioned) |
| Item Shape | Rectangular |
| Item Type Name | RDJ100RF |
| Item Weight | 0.34 Kilograms |
| Manufacturer | Siemens |
| Manufacturer Part Number | S55770-T380 |
| Manufacturer Warranty Description | 12 months. |
| Model Name | RDJ100RF |
| Model Number | S55770-T380 |
| Mounting Type | Wall Mount |
| Number Of Batteries | 2 AA batteries required. (included) |
| Number Of Items | 1 |
| Power Source | Wireless |
| Product Style | programmable |
| Special Features | Programmable |
| Specific Uses For Product | Control of heating, ventilation and air conditioning (HVAC) systems |
| Temperature Control Type | Automatic |
| Voltage | 230 Volts |
User
Well engineered and conceived - failed after 5 months
Now, this is a well engineered device. Yes, it is made in China, but it is definitely conceived by Germans (I am an engineer myself, and it has been awhile since I held a device so human-friendly and so well made). Really easy to use.You can: make it follow "day" (usually higher) temperature constantly; make it follow "night" (usually lower) temperature constantly; dance in between them according to time schedule; make it follow arbitrary temperature by rotating big volume-like knob; make it protect your house from freezing - all of it with a simple slider selector and a large knob you can rotate like a volume knob on the amplifier.No problems with wireless connection.You can also adjust how it follows temperature - Fast/Slow PID, +/- 0.5 and +/- 0.25 degrees. I went for +/- 0.5 degrees, since I hate when boiler turns on and off 100 times per hour - it is really bad for it. Default setting is Slow PID, which would be OK for most folks.The only thing I didn't like is that I had to bend connecting wires at 90 degrees very close to the case of the thermostat when I installed the wired part of it on the wall. My wires were single-core (old house, rented), and they weren't too happy about a bend so sharp.Otherwise, definitely recommend - well made and easy to use. Works flawlessly.Update: after 5 month of working flawlessly and correctly receiver lost radio signal and I couldn't connect the sensor no matter what I tried. Do not recommend 8(
User
Good
I want to recommend this product.The only issue I had with it was actually connecting the wires into the receiver and I've been a sparky for 40 years.Got them in though.It works really well and easy to programme.
User
Thermostat
Bought this thermostat ti replace broken one very easy to set up and it linked up with old receiver straight away brilliant product
User
seimens thermostat
works great! i managed to pair this to the older model ( RDJ10RF) receiver without issue!! No need for a tradesman..
User
Receiver, thermostat
Fast delivery, easy to install
User
Quick delivery
Absolutely superb and a reasonable price
User
SIMPLE AND UNDERSTANDABLE
Good wireless range, easy to install, very clear instructions (that don’t require a magnifying glass or a university degree to understand)*. There are only two programmes so not useful for those who want 7 day, several times a day settings - but the trade off is the easy ability to override when required using the simple, easy to understand controller. It was chosen to replace an over complicated SUNVIC controller which tried to do everything but in the process was impossible to use - and on which a simple override defeated us. SO THIS SIEMENS PROVED FAR SUPERIOR IN USE BECAUSE OF ITS SIMPLICITY.* and I do have a university degree!
User
Now the boiler works. Hooraah
Good product and quick delivery
User
Buen termostato
Lo compré para el hogar y funciona muy bien. Se puede regular la temperatura en las diferentes habitaciones de la casa gracias al set que lleva incorporado funciona mediante wireless.
User
Facile d'installation et efficace.
Produit relativement simple à installer et programmer. J'apprécie les commandes physiques qui évitent de tapoter sur de nombreuses pages d'écran.
User
alles perfekt
es ist einfach zum Montieren super funktioniert
User
Util
Conectado a la caldera, dispones de un termostato por radio frecuencia en cualquier lugar sin necesidad de instalaciones hasta ese lugar
User
Raumthermostat
Montiert und funktioniert, mehr geht nicht. Erwartete Qualität, Preis sehr ok.
Trustpilot
1 month ago
2 weeks ago