Vaillant Electronic VRT 50 Room Thermostat

• An electronic room thermostat with a digital display for use only with ecoTEC combination boilers and timeSWTICH 130 central heating programmer.
• It is easy to install since it only requires a two-wire connection to the boiler.
• The digital display shows the current room temperature.
• Vaillant VRT 50 Controls Brochure

To increase or decrease the room temperature, the home owner simply turns the dial and the display then shows the set temperature. A flame symbol indicates when the boiler is operating or if there is a boiler fault. The thermostat can be set to modulate the boiler depending on the actual room temperature.