J
jdw3303
I have a Halstead ace high combi boiler approx 5 yrs old started having probs with hot water changed diaphraghm, thermistor prv ( due to leaking) had new external exp vessel cleaned he , added fernox sludge and descaler ran through system for 9 days today drained down system and added inhibitor, now problems! no heating or hot water! power led on , heat or hot water led on, no fan or boiler ignition. Help plz