My boiler is suffering from an extremely long cycle (20 min. on / 60 min. off). The thermistor cuts out at 80ºC flow as it should but the boiler doesn't re-start until ~22ºC.
By this time all the rads are cool again and I can't get the house hot enough to work off the room thermostat.
I've fitted a new PCB a month ago as it was burnt out, it came with a new potentiometer fitted and I fitted a new thermistor.
Any ideas welcome?
electronic parts can break down usually within a month or so of them being fitted call baxi help line and get parameters for thermistors never assume because it's new it ain't broke
brian
January 2011
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