Just changed a fan on ace high combi boiler! boiler will now not work unless combustion chamber door is off!! when door is on fan and pump both run but no ignition! thought it was air presure swith changed that but problem still exists! halstead engineers just want me to keep changing parts! can any body help please! im a baffled gas engineer.
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by alstewart » Thu Apr 01, 2010 6:37 pm 
