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MP/FM
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Discussion Starter #1
Has any one experienced an AO Smith Genesis boiler hard starting? After 16 years it all of a sudden started "poofing" on start up. I've tried everything and enen AO Smith techs and their local go to guy are stumped.

Here is what I've eliminated:
blocked flue
induction fan
dirty exchanger
did replace 4 cracked burners
check gas orifices
had data port reset onto display board and board cleaned up
gas pressure and air pressure are set to spec

This can't be the only Genensis that this has happened to!
 

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MP/FM
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Discussion Starter #3
I have no idea where where that came from, I did not post it. I am a Master Plumber and I'm Facilities Manager for student housing at a university
 

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Plumber, Pipe Fitter, General Gas Fitter, Oil burner Mechanic Plus more Certificates
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301 Posts
Has any one experienced an AO Smith Genesis boiler hard starting? After 16 years it all of a sudden started "poofing" on start up. I've tried everything and enen AO Smith techs and their local go to guy are stumped.

Here is what I've eliminated:
blocked flue
induction fan
dirty exchanger
did replace 4 cracked burners
check gas orifices
had data port reset onto display board and board cleaned up
gas pressure and air pressure are set to spec

This can't be the only Genesis that this has happened to!
It's likely filling the chamber with gas before it gets to the spark.
Is it propane or natural gas, is the pilot in the right place, is the gas valve opening the correct speed. Is the purge long enough is the air laden with too much dust. is the supply regulator opening too slow to keep up. Is the draft regulator working correctly. Does it have one is it supposed to have one.
There are lots of questions answer them.
 

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