Senz and Senz WiFi Thermostat

Raychem part number: (Senz) 1244-017777; (Senz WiFi) 1244-017778

Image of Senz thermostat in black. Image of Senz thermostat in white.

The Senz thermostat can be used with all Raychem underfloor heating : T2QuickNet, T2Red, T2Blue & CeraPro. It is an elegant, modern looking thermostat with a full-colour TFT capacitive touchscreen display.

  • Full colour 2" display
  • Easy navigation using touch and swipe gestures
  • 7 operating modes
    • 3 economic programs
    • 1 constant mode
    • 1 flexible boost (flexible and temporary override of economic or constant mode)
    • 1 Holiday mode
    • 1 OFF mode
  • Smart and precise adaptive function
    • Calculates when to start heating to reach desired temperature when required
    • Adapts to the environment
    • Adapts to the floor construction
    • “Window Open” function—if the room temperature drops suddenly (for example due to a window being opened for ventilation), the Senz does not increase the floor heating during that limited period of time.

The Senz thermostat comes supplied with a floor sensor and an additional white fascia (RAL9003) to make it compatible with switch gear systems.

The Senz WiFi connects to your chosen WiFi network and gives you complete control of your underfloor heating using the free app

  • Change programmes and temperature via your smart-phone or tablet
  • Monitor the efficiency of the installation
  • Control up to 32 zones (rooms and/or houses)

Get the Senz Wifi App

Get it on the App Store
Get it on Google Play
Image of Senz app.
Supply voltage230V (+10% / -15%)—50 Hz
Relay outputHeating cable 230 V, Maximum 13A (max 10A of T2Red=100m)
Ingress protectionIP 21 (Can be upgraded to IP44 using the accessory gasket)
Temperature range floor sensor5°C to +40°C
Temperature range room sensor5°C to +40°C
Limitation of rangeLow +5°C / High +40°C
Ambient temperature-operation0 to 60°C
Ambient temperature-transport-20°C to +70°C
Accuracy floor sensor0.2°C in a range 0°C to + 40°C
Accuracy room sensor0.2°C in a range 0°C to + 40°C
Floor sensor12kΩ @ 25°C +/- 0.75°C (no:38165)
ApprovalsCE, VDE