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A small ame icon is lit in the display whenever the
thermostat is calling for heat. Please note that the boiler
will only run when both the thermostat and the time
control are calling
.
Battery replacement
Batteries will last in excess of two years. When batteries
need to be changed a battery icon will ash in the display.
To change the batteries loosen the two screws on the
base of the thermostat and lift thermostat o base plate.
Batteries are located in the rear of the thermostat unit and
should be replaced using two high quality AA size alkaline
cells.
Battery replacement
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