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Thread: Kenmore gas oven slow to heat up

  1. #1
    Join Date
    Oct 2007
    Location
    Saline, MI
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    3

    Default Kenmore gas oven slow to heat up

    I have a ~15 year old Kenmore gas range/oven (model # 362 7351892) and the oven warms up very slowly (> 1 Hr to 350F). The oven igniter glows orange and the burner lights but the flame is not very large. The burner lights then after a few seconds the flame size reduces. The flame does not extinguish, it is just not large enough to produce the heat required to warm up the oven very quickly.
    The range gas burners work correctly and all other gas appliances in the house seem to be working properly, so I assume the gas supply is OK.
    Could this be a gas valve or clogged orifice?
    Can a weak igniter cause the gas valve to reduce the gas flow?
    Any ideas would be greatly appreciated.

  2. #2
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
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    Default

    When you first turn your oven on, how long does it take for the gas to ignite from the glow bar? If it takes longer the 90-120 seconds, then its likely your oven glow bar igniter:
    Manufacturer's Number: WB2X9154




    If it ignites with 90-120 seconds then it sounds like your main gas regulator is possibly the problem.

    Here's the one for your model:
    Manufacturer's Number: WB19K1



    Jake
    Appliance Repair School 1987-1988
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  3. #3
    Join Date
    Oct 2007
    Location
    Saline, MI
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    Default Kenmore gas oven slow to heat up

    Jake,
    The oven burner consistently ignites in 45 seconds then the flame size reduces 15 seconds later. I will look into purchasing a new regulator, unless you think there could be other possibilities. Thanks for your help!

  4. #4
    Join Date
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    McMullen Valley, Arizona
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    Default

    Ok, it sounds like a regulator issue.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

  5. #5
    Join Date
    Oct 2007
    Location
    Saline, MI
    Posts
    3

    Default Kenmore gas oven slow to heat up

    Jake,
    I ordered and replaced the gas regulator for my Kenmore gas range/oven (model # 362-7351892) in hopes of resolving my slow warm-up oven issue. Unfortunately I still have the same problem.
    The oven burner ignites in about 45 seconds then the inner cone flame size reduces to < inch about 15 seconds later. The oven takes 45 minutes or more to heat to 350 degrees F.
    I have made sure that the shut off valves on the regulator, and the main valve to the range, are completely open. Adjustments to the orifice hood and air shutter valve do nothing resolve the issue.
    It seems to be a gas flow issue somewhere, and the only thing I see left is the gas valve for the oven & broiler. Is it possible for the gas valve to go bad by opening only partially? Or maybe the igniter resistance is too high and not letting the gas valve open completely? How much current should be flowing through the igniter and valve?

    Any thoughts?

  6. #6
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
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    67,140

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    Yes, its very rare I see the oven gas valve fail, Its more likely the oven igniter resistance not opening the oven gas valve fully.

    You can return that gas regulator for a full refund, then order the oven igniter.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

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