Question about Kitchen Ranges

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I have a Sears gas range that doesn't burn right. Yellow flames leave the bottom of my pans black. Ther is no fuel/air mixture adjustment. I have changed the gas regulator and LP gas bottle and no change

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  • 67 Answers

If this is new or you just got it used and put it in and noticed the problem I am guessing that it is ported for natural gas instead of LP or Propane. The majority of gas ranges are setup to use Natural gas when delivered unless specifically ordered for Propane. If you have had it for a while and it worked fine before then this might not be the problem something else has gone bad like a pressure regulator or a line got bent affecting pressure.
If it is ported for Natural gas and you want to use propane then most companies sell a conversion kit that will make it work right.

Posted on Mar 17, 2014

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6ya6ya
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Posted on Jan 02, 2017

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catriver
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SOURCE: Kenmore Gas Range Oven not Working Properly

greg, sounds like your needle valve is not seated. Remove the bottom drawer. Look back to the base of the burner where the shutter air adjustment is. Right under there is the valve which should have a 1/2 inch or 7/16 nut. (I Forgot what size). Turn this nut clockwise until the flame is adjusted to the correct size, should be a nice blue flame. The nut maybe hard to turn because you are seating the needle. Catriver..post back

Posted on Dec 23, 2006

Amigaman
  • 248 Answers

SOURCE: lp flames to top of oven

You need to tighten down the orifice spud for the bake burner. Remove drawer in bottom of oven. Look for bottom of burner tube, where the shutter adjustment is. Right below it is the orifice spud. Usually a goldish color. Take 1/2 inch open end wrench and tighten until it stops. Do-not overtighten! Try it now. If flames are still to high, tighten a little more. Repeat if needed.

Posted on Nov 19, 2007

jumptrout51
  • 3361 Answers

SOURCE: Gas range burner flame too high and too yellow.

Did it work OK in that location before the changes?
Sounds like you used Natural gas parts instead of LP.
Lp orifices have smaller holes than Nat.

Posted on Mar 12, 2009

  • 3 Answers

SOURCE: the southbend 436d range gives a yellow flame at the burners

This model Southbend range is "built to order" for the gas type.

Orifice alignment is critical on this model especially on propane, so make sure that the orifices are pointing directly down the burner venturi tube.

Also, the air shutters for the open top burners will probably have to be wide open.

If you are in an area with an elevation higher than 2000 feet above sea level, you will have to run a smaller orifice.

Those are nice ranges. Good luck!

Posted on May 19, 2009

Bat1956
  • 585 Answers

SOURCE: Yellow flame after an Lp conversion

I remember having a stove with an adjustable orifice in the oven. It looked like a double nut arrangement. If that is what you find, tightening them to each other shrinks the size. Should turn fairly easy, do not force. You may also find a pilot adjustment behind the oven control knob. Hope this helps.

Posted on May 19, 2009

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Ream out all the orifices and air venturi holes on the burner, adjust the air-ahutter, the air-shutter is usually nearer the valve/knob than to the burner. Yellow flame is an imbalance of fuel to oxygen and is creating Carbon Monoxide and not burning cleanly... this is the same problem that can make a furnace deadly. Blue flame=neutral flame.

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Be careful opening combustion chamber with fumes present. The soot means the gas, or fuel to air mixture is incorrect. The inlet of the burner should have an adjustment that slides. That is an air coke . It may be closed or completly open. Adjust it to a blue flame. Close the combustion chamber when lighting.. If fumes build up, Ther is an explosion hazard when working on heaters. Any type . good luck

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My new gas stove (propane) is releasing black soothe when lit. All the pots are covered in this black powdery like substance. Whats the problem and how can i fix it. It's really costing me a lot to clean...


There is usually a "shutter door" adjustment at the end of the burner to control the amount of air that is mixed with the gas. If you just did a conversion the air fuel mixture likely needs adjustment. You want a blue flame with faint yellow tips or optimal adjustment. Too little air causes soot and too much air is noisy and wastes fuel. Remove the burner (as for cleaning) and open the shutter door on it, replace, and retry until the correct burn is achieved. I don't have direct answer for the Kenmore. Did you try using the model number in Google or Ask? If you don't get a hit the call Sears Service and request a manual.

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Flame does not seem hot enough - too much yellow flame.


In a gas dryer, heat is provided by a gas heater that is controlled by an air shutter. The gas heater is generally the source of no-heat or drying problems. You can often correct such problems by adjusting the air shutter on the gas burner, which is located along the bottom of the dryer.

To adjust the shutter, take out the screws and remove the panel that covers the gas flame. Turn on the dryer so the flame is burning. If the flame has a deep blue color and you hear air whistling around the burner, the air/gas mixture is receiving too much air. If the flame has a yellow tip, the mixture is not receiving enough air. Turn the thumbscrew or loosen the two screws slightly to increase or decrease the flow of air to the burner. Keep turning until the flame is a light blue color, without any yellow, and the whistling stops.
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Sooting of pans in oven


yes i can help locate the pressure regulater where the gas line hooks up there will be a square lookin nut on top of it unscrew it and in side will be an insert and a spring one side of the insert will have nat thats for natural gas flip it over and the other will say lp then screw the nut back down should be fine o tay lol

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lp burners dirty.clean out the orfice and burner and this should solve your problem.

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there are two considerations for burner height. 1) the gas adjustment screw on the knob and 2) the gas-air mixture to the burner. establish a flame and adjust the screw for a standing flame at the burner. adjust the gas-air ratio orifice so that the flame has no yellow tips.

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