A.O. SmithWater Heater issue

Discussion in 'Water Heater Forum, Tanks' started by Daniel Erman, Feb 11, 2020.

  1. Daniel Erman

    Daniel Erman New Member

    Feb 11, 2020
    San Francisco
    Does anyone know what this is happening? there is plenty of air available to the burner, terminate is also clean. Low gas pressure?

    Your help is appreciated.
  2. Master Plumber Mark

    Master Plumber Mark Sensitivity trainer and plumber of mens souls

    Feb 6, 2005
    Sensitivity trainer.. and plumber of mens souls
    indianapolis indiana - land of the free, home of
    How old is that water heater??? It appears that it is not a FVIR heater because the flame is
    not sealed within the unit...

    Is that a power vented unit or is this something you got from Lowes??
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  4. phog

    phog Active Member

    Jul 29, 2017
    Rochester NY
    Is this running off a natural gas or a propane system? Can you take a picture of the supply pipe? (Specially, is there a drip leg near the gas inlet?)
  5. fullysprinklered

    fullysprinklered In the Trades

    Jun 15, 2014
    self-employed plumber-electrician doing residentia
    You may need a priest on that one. Have you tried beating it with a hammer?
    Master Plumber Mark likes this.
  6. fitter30

    fitter30 Active Member

    Feb 2, 2020
    Retired service tech
    Peace valley missouri
    Don't see a air shutter on the burner the only adjustment would be gas pressure. Might want to pull the burner and blow it out. If your using lp burner set up is critical.
  7. dj2

    dj2 In the Trades

    Aug 13, 2013
    Post a picture of the gas supply, gas shut off valve and the flex connection - as phog mentioned.
    You could have interruptions in gas supply.
    Is the WH still under warranty?
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