Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

Theben RAMSES 850 BLE OT

Price in EUR including VAT
Delivered between Fri, 5.6. and Fri, 19.6.
free shipping

Product details

The RAMSES 850 BLE OT from Theben is a digital OpenTherm clock thermostat designed specifically for the comfortable control of heating systems. With an integrated weekly program, it allows for flexible adjustment of heating times to meet individual needs. The operation is carried out via an app that establishes a direct Bluetooth Low Energy (BLE) connection to the thermostat. This enables easy and intuitive control from a smartphone or tablet without the need for an internet connection. The RAMSES 850 BLE OT offers a variety of features, including programmable switching times and an optimization function that enhances heating comfort. Additionally, it includes frost protection to ensure that the temperature does not drop below a critical value during colder months. The device is designed in a simple, modern style and is ideal for installation in living spaces to ensure a pleasant room temperature.

  • Weekly program for flexible heating times
  • Intuitive app control without internet connection
  • Programmable switching times for individual adjustments
  • Optimization function for increased efficiency
  • Frost protection to prevent cold damage.

Key specifications

Thermostat type
Room thermostat
Suitable for
Fan heaterRadiator
Smart home
Not compatible
Smart home ecosystem
Amazon AlexaApple HomeGoogle Assistant
Power supply
Electrical connection
Items per sales unit
1 pcs.
Documents
Technical data sheet.pdf

General information

Item number
32318781
Manufacturer
Theben
Category
Thermostats
Manufacturer no.
8509150
Release date
18.10.2022

Colour

Colour
White
Exact colour description
RAL 9010

Material

Material group
Metal
Material
Bimetal

Thermostat properties

Thermostat type
Room thermostat
Suitable for
Fan heaterRadiator
temperature control
Bluetooth
Temperature range
2° - 30° C
Thermostat functions
Frost protection settingTimerWeekday programmable
Display
Without display

Smart home features

Smart home
Not compatible
Smart home ecosystem
Amazon AlexaApple HomeGoogle Assistant
Communication standard
IFTTT

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂ emissions
22,06 kg
Climate contribution
EUR 0,55

Safety

Protection class
Protection class I
Protection type (IP code)
IP20

Power supply

Power supply
Electrical connection

Scope of delivery

Items per sales unit
1 pcs.
Scope of delivery
1

Product dimensions

Length
2.80 cm
Width
8.90 cm
Height
8.90 cm

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty
Legal concerns

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • Theben
    Not enough data
  • 1.Honeywell
    0 %
  • 1.Oventrop
    0 %
  • 1.TP-Link
    0 %
  • 4.Eberle Controls
    0,2 %

Statutory 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: Galaxus
  • Theben
    Not enough data
  • 1.Aqara
    0 days
  • 1.Eberle Controls
    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: Galaxus
  • Theben
    Not enough data
  • 1.EQ-3
    0,2 %
  • 2.Bosch Smart Home
    2 %
  • 3.Homematic IP
    2,7 %
  • 4.TP-Link
    2,8 %
Source: Galaxus