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Programastat Plus

TRT033N Digital Room Thermostat with Night Set-Back

Digital room thermostat with easy visible blue luminescent screen displaying current room temperature. Simple +/- push button temperature adjustment illuminates display on setting providing automatic temperature control for all central heating applications. Night set-back and frost protection modes help improve system efficiency and reduce running costs. The TRT033N display is powered using 2× 1.5V AA batteries supplied.

  • Digital room temperature display, illuminated on setting.
  • Easy +/- illuminated push button settings. 
  • Easy view temperature display illuminated on setting. 
  • Frost protection setting. 
  • 10°C to 30°C set temperature range. 
  • Temperature swing adjustment (using DIP switches) between 0.5°C and 1°C. 
  • PID control. 
  • Voltage free change over contacts. 
  • Display battery powered using 2x 1.5V AA. 
  • Switch Rating: 3(1)A.
Trt033n trt047n catalog
  • Energy Saving 2015
  • ProgramaStat+
  • Boiler Plus Ready Logo ErP Class IV + 2%
  • 3 Year Guarantee


Operating Voltage 230V AC - 50Hz
Current Rating 3 (1) A
Switch Type Single Pole, Changeover
Operating Temperature Range 0ºC to 40ºC
Set Temperature Range 10ºC to 30ºC Adjustable in 0.5ºC Steps
Temperature Swing 1ºC or 0.5ºC
Micro Disconnection Type 1.B Control Action
EC Directives Conforms to Latest Directives
ErP Product Class Labelling Class IV
Dimensions (mm) Height  90, Width 95, Depth 30

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