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Hi All, My boiler has a high temp primary fault in the DHW mode which drops the burner out in a regular manor ie hot water cold water etc. The high limit does not operate and the CH thermister has been changed. Could it be a clogged water to water HE as it takes some time before the DHW gets...

Jaguar boiler again 28kw combi everything checks out but the fan and pressure switch have no voltage to them. There is no voltage from the pcb to the gas control module which feeds the fan ps. I can only assume that it is the pcb. Is there anything I am missing as I can not get a board sale and...