Thanks Guys. How about instalation issues? Combustable air mix, is this install related? Why did the original chimmey flu pipe rot out? Could this be venting up my chimmey properly? I have it going into my brick chimmey on the outside of the house. I looked down it from the top and it doesn't seem to be plugged.
here is a code ?-is there supposed to be a flue liner in that chimney?
someone with knowledge of your states code will need to chime in
It`s better to be silent and thought the fool; than speak and remove all doubt.
There are issues here that need to be addressed. Sooting of any natural gas appliance is not normal and indicates an incomplete combustion problem, also a major source of CO. There vary well may be a chimney issue, combustion air or lack there of, cold return to the boiler causing sweating and subsequent rusting of burners and vents. This just goes on and on. You need a wet head that understands all of these issues and therefore has the solutions.
A good HVAC tech knows how, an educated HVAC tech knows why!
Agreed. One last question. I looked at the operaters manual and it says the chimney requirements need to have a ceramic liner. It is a brick chimney on the outside of the house.
I have not sealed up the house tight lately. Unfortunalely it is about 130 years old, that is almost impossible to keep it draft free.
Thanks for the help. I will be contacting a professional. I'm just trying to do some homework so I don't get it wrong again.
John, you could do a lot worse than Hey Bob, He would be a great choice to look at your system as long as he is willing. As stated previously by others you need a real professional, not a wanna-be. something about you system's combustion is off and you need things done right to extend the life of your system.
Please take note the that today's modern systems require more training than older systems! the days of shade tree auto mechanics and "handy man" maintenance are a thing of the past.
What lies behind us and what lies before us are small matters compared to what lies within us.
as was asked before, please update this thread, OP or HeyBob, thanks.
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from an excerpt by Paul Jacob in Sun City, AZ
When replacing a combustion appliance, the installer has the responsibility to inspect the chimney and ascertain its suitability for the intended use. If you have an unlined chimney then it must be relined-period. The liner must be sized to the appliance and suitable for the intended use.
The vent connectors, too should be properly sized and this is covered in tables located in the code.
If you are still getting sooting after verifying you have the proper size listed chimney liner and have measured the draft to be within mfrs specs or between a certain narrow range and its not spilling flue gases at the base of the boiler, look to ithe appliance itself. Your combustion analyzer is your friend. Measure your water temps in and out. Make sure your entire boiler, burner tubes, etc. are clean as a whistle. Check not only inlet gas pressure but under full load. Check manifold pressure first against mfr. then per combustion analysis. All these things a qualified pro should be able to do and understand. Sooting is a process of elimination. If your installing contractor cannot figure it out you may have to hire another to save the day.