Electronic room RF thermostat with LCD-display specially designed to control different types of heating systems. Compatible with other WATTS® Vision™ Smart Home products.
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Technical Features

  • Radio frequency 868 MHz.
  • Bidirectional communication.
  • Temperature setting range: 5 - 37 °C.
  • Working mode: Comfort, Reduced, Antifreeze, Timer.
  • Display with back-light.
  • Special functions: keyboard lock function, open window function.
  • Temperature differential 0.5 K or proportional band (PWM).
  • Regulation on the integrated temperature sensor: NTC. Option: possibility to regulate on external sensor.
  • Class of protection: IP30.

Type Code WELF
Power supply
 BT-D02-RF   P06671 2 AAA LR03 1.5V batteries

Used in conjunction with

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