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ORANGE GAS FLAME

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RED76
RED76 Member Posts: 8
in Gas Heating
 I have natural gas and every now and then the flame at the stove is blue with lazy orange tips i checked waterheater,and boiler they all look the same-checked gas pressure 7" now today the flames are nice and blue.gas pressure still 7''.gas lines are properly sized

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  • RobbieDo
    RobbieDo Member Posts: 131
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    Chexking

    Were are you reading the 7" WC pressure at? Before or after the gas valve or valves?
    Rob
  • Slimpickins
    Slimpickins Member Posts: 339
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    Regulator

    You may have a regulator on the street side of your gas meter going bad. Have your utility company come out to look at  it. 
  • RED76
    RED76 Member Posts: 8
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    not a pressure problem

    Checked gas pressure at drip leg at boiler--Meter and regulator manifold was changed the other day when the flame was orange, by the utility company and flame color never changed. gas pressure was checked before and after repairs were made and flames were still blue with lazy orange tips.meter was also clocked and checked against boiler btu rating and was fine. utility company also checked other houses on the street and they too had the same problem. but im the only one with a gas stove so they never knew that there was an issue. gas service was installed in 1960 and i dont think it is excess odorant in the gas but if anyone has any input it would be apprietiated.oh and the boiler was checked with a combustion analyzer and the readings match up with manufacturers literature.
  • Tim McElwain
    Tim McElwain Member Posts: 4,621
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    Orange is not a problem

    usually the result of disturbing the burner. If you tap the burner it will get orange flecks in it. Probably some very fine rust got disturbed in the gas system piping from outside.



    Yellow is the problem that is an indication of carbon monoxide due to incomplete combustion.



    Enjoy your weekend everything is okay.
  • RED76
    RED76 Member Posts: 8
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    thankx

    thankx for ur input on this issue.
  • Steamhead
    Steamhead Member Posts: 16,835
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    Key phrase

    "oh and the boiler was checked with a combustion analyzer and the readings match up with manufacturers literature."



    This is the ONLY way you'll know for sure that it's running properly!
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
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