The central heating comes on when the timer switches it despite the room temperature. Today a thermometer showed the air temperature around the room thermostat to being 20C. The dial on the room thermostat is turned right down to around 10C and still the heating comes on.
The boiler A Gloworm Ultracom hxi is just on a year old, but the thermostat (Randall) could be anything up to 20 years old.
It has an accelerator Resistance in it connected between a red cable and blue.
If it is felt that this is faulty, Could I replace the same with A Danfoss Randall RT51 digital?
The boiler A Gloworm Ultracom hxi is just on a year old, but the thermostat (Randall) could be anything up to 20 years old.
It has an accelerator Resistance in it connected between a red cable and blue.
If it is felt that this is faulty, Could I replace the same with A Danfoss Randall RT51 digital?