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Pilot light and flame questions

Pilot light and flame questions

I have a  Crown -- JSI172      6" flue     BTU in 172,000       out BTU 140,000      438 sq foot.

my pilot has three outlets it fans about about 3" wide and about 2"

high. The heat is enough to prime about 2' of a 3' rise in the b vent

system. To me this seems like a big pilot (you can rally hear it)  but I

never checked it until now. I had to move my furnace recently but the

gas lines overall length is still pretty close to what it was. After

firing the boiler the flames seemed very high like 4-5 " high and very

yellow IT was almost like a halo surrounding the tops of the flames.  I

turned down the pressure adjustment and this solved the high flame issue

however the pilot is still as big as it was before the adjustment. So

is this pilot just par for the boiler.

I should note

there was plenty of blue in the flames it was the tips that were yellow

with a whitish ring ( the halo around the top) The pilot is all blue

IN addition here is my boiler.

<a href="http://www.crownboiler.com/products/res_gas/jam3_prn.asp">http://www.crownboiler.com/products/res_gas/jam3_prn.asp</a>


  • Tim McElwain
    Tim McElwain Member Posts: 4,506
    Are you a professional?

    If not this is way more than you should be attempting. Call a professional gas technician and have them determine if the boiler is firing correctly and if the pilot is okay. They can also do a combustion analysis and bring your boiler up to peak efficiency.

    What is your location?
  • bennythepitbull
    bennythepitbull Member Posts: 37
    I live in NE PA

    Should I just call UGI -- And the reason I would like to know is so I know the work that is being done is done correctly. My flames for my boiler mostly blue with some orange mixing in. the pilot is all blue.  So any pointers or an online reference guide would be great. My issue with the pros is a pro installed this boiler into a 100 year old chimney with no liner -- although he did suggest it he did it any way because cost was a concern. This left us thinking that it still was okay.  As you may have guessed the chimney rotted. 
  • Tim McElwain
    Tim McElwain Member Posts: 4,506
    There is the very real possibilitiy

    that you may be having high carbon monoxide issues. Get a professional to look at this immediately.

    The main gas through the gas valve is regulated but the pilot is not. The pilot should be adjusted according the specs on the gas valve and the rating plate on the equipment should determine what the manifold pressure should be.
  • Tim McElwain
    Tim McElwain Member Posts: 4,506
    If your techs

    are not sure what to do checkout "Resources" above go to "Hot Tech Topics" and look for "Thermocouple Testing Procedures",
  • bennythepitbull
    bennythepitbull Member Posts: 37
    I should note

    I already  moved my furnace and connected it to a Dura vent system. all is well every thing checks out. no steam pipe leaks, no water hammer, I have 10 steam radiators and all are getting hot.  MY main concern is my orange tipping when the furnace is on and this pilot light. Thanks for the help 
  • Steamhead
    Steamhead Member Posts: 15,348
    It's impossible to tell

    if a flame is burning safely and efficiently by just looking at it. You need a pro with a digital combustion analyzer to verify this.

    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
  • Mark Eatherton
    Mark Eatherton Member Posts: 5,839

    The fact that you did all the pipe work is commendable. This means you are mechanically sound. It does not mean you are technically oriented or technically correct.

    As Steamhead has pointed out, you MUST get someone in there with a combustion gas analyzer to make certain that the fire side is in safe and good operating condition. Your gas supplier should be able to send someone out (probably for a fee), but the peace of mind is worth it knowing that you will wake up in the morning.

    Congrats on your mechanical aptitude.

    It's not so much a case of "You got what you paid for", as it is a matter of "You DIDN'T get what you DIDN'T pay for, and you're NOT going to get what you thought you were in the way of comfort". Borrowed from Heatboy.
  • bennythepitbull
    bennythepitbull Member Posts: 37
    could not agree with you more

    I already set up appointment with UGI, Thanks all 
This discussion has been closed.