No. You are probably having a thermal safety switch failure. It measures the heat from the flame, and when its hot enough, it tells the gas valve to stay open. It's a safety feature to turn off the gas if the flame blows out, keeps things from going boom. Can't find a parts diagram to verify part numbers, or a manual to be certain. Typically, the red switch is to be held up til the flame is going, after lighting the flame, then released once flame is lit, 5-10 seconds is usually enough.
SOURCE: 1. flame is the same, wether set at high or low.
Make sure your burners are clean and not blocked with lava rocks or anything. If that's all good, make sure that you are turning the tank off before you light it. This is really important, b/c if you light it with the tank already open, there is a safety device on most tanks that won't let the gas flow. After you try relighting after having the tank turned off for 30 seconds, make certain the valve on your tank is working. Turn the tank completely off. Open the hood and make sure you don't smell and gas. Without turning the gas on at the tank, turn the knob to light, and see if you get any flame. If all of that checks out, It is probably the gas regulator. They are relatively cheap and easy to replace.
SOURCE: The burners decrease in strength when another one
If this is an LP grill, you can try replacing the regulator.
SOURCE: i can not get any gas pressure in main burners or
Look for spider webs in the venturi tubes, check the orfices or it could be faulty controls. Verify the tank working properly by trying on another grill.
Eric
SOURCE: The flow gas coming from the burner is very slow.
It could be a defective LP gas regulator or a restriction somewhere in the gas line for the bbq. This can also happen if the propane tank is overfilled.
First make sure that the LP tank is not overfilled. If you open the bleeder hole on the tank(small screw next to the valve) there should be no liquids coming out. If liquid propane is coming out then the tank is overfilled. Keep the bleeder screw loose until the liquid disappears then tighten. Re-connect the tank and see if that fixes the problem.
Then inspect all the gas lines on the bbq. Make sure that there are no kinks or crushed lines.
Then take a look at the gas regulator. Try turning on all the burners then give the regulator a couple good taps on the housing with something solid. See if the burner changes size. If it does and then goes back down it could be the gas regulator. Also take a look at the regulator housing. There should be a very small hole on the housing and it might be labled "vent". Make sure that this little hole is not plugged with any debris or that can cause a low pressure problem. You can use a sewing needle to gently poke out the hole. You will know if it worked because the burners will become much higher. And you could also try disconnecting the hose and regulator assembly from the bbq then turn on the LP tank slowly with the regulator connected. You should get plenty of gas flow from the end of the hose. Then use your hand to block and release the flow a couple times to try and clear any debris that might stuck in the regulator.BE VERY CAREFUL DOING THIS!!! MAKE SURE YOU ARE CLEAR OF ANY SOURCES OF IGNITION BEFORE TRYING TO CLEAR THE REGULATOR. Then reconnect the hose regulator and tank to see if the problem is fixed. If you are getting very low flow from the hose with the regulator disconnected then it is probably a defective regulator. They are pretty standard and you can purchase a new LP hose and regulator assembly from most home improvement stores.
If the regulator checks out good then I would think that there is a restriction in the main gas line for the bbq after the regulator. You will need you dis-assemble the main line and blow it out with some compressed air to clear the restriction.
SOURCE: My charmglow is experiencing low gas flow. What
If is an LP, the regulator could be bad, easy to replace and not very expensive. Try a new regulator and hose first. If it is a NG grill, there still may be a regulator on it, not as easy to change out, but not very expensive. Try these things, if they don't work, let me know.
Testimonial: "thanks I will try and replace the regulator"
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