Search results

thanks for the quick reply. however, we dont have a room thermostat (or a motorized valve) with this system, the only stats are the (non adjustable) contol stat on the output pipe from the burner and the one for the hot water on the output from the heat exchanger. wondering if stat may be faulty...

recently my boiler seems to be switching on and off more often than i remember it used to. once the heating water is up to temp the boiler burner shuts down as i would expect but then it starts up again only about 40 seconds later and burns again for around 20 seconds then turns off again then...