CO2 colleted in gas system

[felixking]

CO2 collected in gas system, vent pipe corroded, the reason could be:

- heat exchanger
- combustion air blower
- damper control
- flue cap

[Wild Leg]

Where did you find these questions?

[vmc1161]

flue cap, rain water is getting down and corroding the vent pipe and then the draft motor and heat exchanger. Or a bald eagle has made a nest in the flue cap, if so leave the nest alone and run a new vent line. Ha you thought I didn,t know the answer

[key]

I have been looking for the same answers to all your posted questions, I wrote the same exam and have memorized 67 questions. I think its raincap

[valdelocc]

The answer is D)Michael Jackson