Hi All,
If my new Vaillant programmable room thermostat has it's target temperature set at say, 20 degrees, does this mean the boiler fires-up and stays on burning gas untill that room reaches that temperature?
Also, what do you set yours at?
If my new Vaillant programmable room thermostat has it's target temperature set at say, 20 degrees, does this mean the boiler fires-up and stays on burning gas untill that room reaches that temperature?
Also, what do you set yours at?