Absolutely right!Ian Hulley wrote:lloyd wrote: On another note, ebers use outside for burn and inside air for heat is true, but if heat exchanger cracks there is the potential for CO getting into heated air.
Both Propex and Eberspachers pass inside air over the exterior of the combustion chamber casing to heat it up.
Ian.

That's what a heat exchanger is mate.
Give the man a cigar!