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potterton promax?

i have a potterton promax 28 he combi boiler that won't work the spark genorater, electrodes, gas valve and pcb have all been replaced and still no joy help
david dunbar, February 2011
each boiler has a start up sequence ie. call for heat/water -pump starts if the pump is proved fan starts -fan operates pressure switch which starts spark generator and so on find out start sequence and go from there don't assume new parts aren't faulty realisically you need a multi-meter and all the technical specs either try potterton tech help line or web site

brian, February 2011
link Click here to see other fixes for Potterton Promax 28 HE Combi.