Clearly I am an idiot for even going here but from Rossi's own mouth he talked about the operating temps for his E-scam and it was 1/2 and less of what you posted. If it had those kind of temps, it could power a steam turbine.
Do not bring up Gaea, the Apollo program or Wheaties or their relationship with the mob. Do try to keep on the subject.
He’s run it hotter in the past ~ 1200 F is 648 C