Flush mounting thermostats Wattstemp 850 and 860

The regulators of the WATTSTEMP series are flush mounting thermostats specially designed to control Electrical floor or ceiling heating cable or film.
All needed equipment and functions for regulation room by room are implemented.
  • Digital LCD weekly programmable thermostat
  • D.S.T Clock

  • Backlight: Amber

  • Advanced installation menu

  • Setting range: 0-35°C

  • Regulation: Proportional band 2°C 10min or Hysteresis

  • Internal, external sensor regulation or combined function for floor limitation.

  • Output: Relay 12A 250Vac

  • Operating voltage: 230VAC 50Hz

  • Protection : Class II IP21

Type Part no. WELF
Power supply
Wattstemp 850
P046731) 230 VAC
Wattstemp 860
P04623 230 VAC

1) The product is no longer available