I have a customer who has a stock pot range, single 18 " burner, with 2 rings, natural gas fired. Unknown brand, the name plate is missing.
When turning on the burners, the pilot goes out. Then the burners do not ignite. If the burners are turned on slowly, the pilot flame is reduced in size. If hte burners do light, the flame is not as high as the same appliance next in line. The flex supply line seems to be clean as does the regulator, the the 3/4 pipe in the appliance, the manual valves and the burner rings themselves. The regulator was replaced a few months ago, with proper part., Any ideas?
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Hi. Usually when this occurs on a brand new unit the user is using a natural gas configured range on LPG. You may have to get a NG to LPG conversion kit to reconfigure the regulator. On most newer regulators it is a matter of unswcreing the plastic side cap and flipping the inner plunger over. The conversion process is in the installation instructions. Additionally the Bake and Broil burners for the oven will also need adjusted per instructions. There are usually orifices in a package in a NEW range for the conversion of the cook top burner control valves. Then the air gap on the side of each burner gas tube will need to be adjusted by losening the screw on the side of the burner gas tube and adjusting the airflow until you get a nice 2 color blue flame. Tighten the screws after you make the air adjustment.
If you do NOT have the manual please respond with a model number so I can try and find you one.
It's not intended to be used with LP gas, because LP gas requires a smaller orifice than natural gas. Call your propane supplier IMMEDIATELY...DO NOT USE THIS STOVE UNTIL IT IS CONVERTED TO LP GAS (if it's even possible)...this is extremely dangerous and you could hurt yourself if you continue to use LP gas on a stove that was designed to run on natural gas.
Gas ranges have the high grates to allow air to flow underneath the pot. Smaller grates will make the problem worse not better. Try using hot water to start with and regularly clean the surface of the burner. Oil sometimes clogs the holes the gas comes out of. There are also adjustments that can be made to raise your flame a little but I do not suggest doing this without a working knowledge of gas products.
chanciec sounds like the unit isn't set for the proper fuel. Usually see this when natural gas unit is set for propane. See if the installation directions show converting the gas and adjusting the burners. You are running with too much fuel and not enough air. Since You haven't said what brand or type of range, if sealed burner, the venturnes in the center of the burners are what sets the air adjustment. Hope this at least tells you why this is happening.
I am hesitant about answering your question because if the flame is adjusted incorrectly it could be dangerous.
Remove the knob and look inside the stem of the gas valve. You will see a very small adjustment screw. This is where you adjust the flame for the burner.
What I usually do is light the burner and turn it to the lowest setting. Hold the stem in this position and turn the screw. They are usuall kind of stiff to turn.
You want to adjust the flame so that it just comes to the top of the burner cap at the low setting.
This is the important part!!!
When you have got the flame adjusted, put the knob on and turn the flame to high. Quickly turn it from high to low, if the flame goes out, adjust it higher. Repeat this test until you can turn it from high to low quickly and it stay lit.
Also important to remember. When turning the screw, a little turn goes a long way.
Post back if you have any questions.