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Efciency
The Room Stat uses the OpenTherm protocol to control the boiler ow temperature set point in
central heating operation. This means that the boiler will run in its most efcient manner and offer
signicant savings in energy usage over standard room thermostats. It will also give more accurate
and comfortable temperature control.
Frost Protection
If the temperature in the room falls below 5ºC, the boiler will re to maintain the minimum 5ºC set
point regardless of whether the timer is in an Off period or not.