best temperature for boiler thermostat
Report Abuse. Boiler thermostat is the temperature the boiler heats water to eg 70 degrees. Wall thermostat is room temperature. If you have a higher boiler temperature the room will get to temperature quicker but the gas bill will be higher.Keep the boiler temperature lower at the start of the winter and gradually increase it in the cold weather so that the room gets to temperature in a reasonable time.eport Abuse. Boiler thermostat is the temperature the boiler heats water to eg 70 degrees. Wall thermostat is room temperature. If you have a higher boiler temperature the room will get to temperature quicker but the gas bill will be higher.