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Jenn Air 3 burner grill not getting enough gas

I have had this grill for 5 years and from time to time it seemed as though the connection to the tank was poor because the first burner would light, but the next two burners would steal the gas from the first. This means that when all burners are on high, they only produce low flames. Sometimes too low to keep lit. It has happened on and off for a while, but recently, it has become a permanent condition. i have checked the connection to the tank a hundred times and changed out the tank for new ones, and the problem remains. Any suggestions?

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Jenn-Air Grill

We had a similar problem. It turns out that there is some sort of fuel distribution rod that fits into the gas jets in the front of the grill (remove the drip pan). It appears that the gaskets between the gas jets and the rod have burned/disintegrated. We ordered a new rod from Nextgrill but it came w/o gaskets. So now we're having to call again to see if the gaskets are a separate item or if (for some reason) they are part of the jets?? Anyway, good luck.

Posted on Jun 27, 2008

  • 10 Answers

SOURCE: gas grill

Probably 1 of 3 things:
Check your LP tank valve at an LP filling station. Make sure both valve and tank are in working order.
Next check for webs or cocoons up around where knob valves go into burners. You may have to remove burners to see into back of valves. Then swab orifice holes with a torch tip cleaner.
Third, a Menards , LP outfitter/station, or grill shop should have a universal replacement rubber gas line and "regulator"(possibly plugged or stuck shut). Sometimes you end up with cheap/bad regulator out of the factory.
Good luck and hope one these helps or does the trick.

Posted on Apr 11, 2009

  • 2 Answers

SOURCE: Jenn Air lp grill won't light with the ignitor button

I just finished cleaning our starter on our jenn air. Over time, corrosion, rust and battery acid builds up on both the coils on the lid (positive side) as well as in the battery chamber and negative tip inside the chamber. I used sand paper and sanded the coils in the cap and the chamber. The coils need direct connection to the battery to create the charge. There are no instructions on this that I was able to find. I figured it out after about 3 hours of fussing with it. It worked immediately once I placed the battery back in. You may also need to clean the electrode tips near the burner. I used a q-tip. Hope this helps.

Posted on Apr 20, 2009

  • 14 Answers

SOURCE: My Jenn air BBQ grill will not heat up all of

Couple things could be happening here. If you do exchanges, have you used more than one different propane tank since you've had this issue? This eliminates the possibility of a low tank pressure and a faulty tank connection. Next you need to look over the burners and the propane flow tubing. Spiders LOVE the sweet smell of propane and make their webbing inside the piping that get's the propane up to the burners. At your flow valves/On/Off knobs you'll notice that the propane shoots from the valves into a pipe with an air gap to gain oxygen. Look in there to see if there's any webs. Also should be a gap were that piping meets the burners, so you need to look there too. Depending on the age of the grill, you need to look the burners over. Corrosion & rust can cause the flame/propane holes in the burners themselves to cake up and close up causing much less flaming/heating opportunity. Also depending how much you've used it, it could be grease/dripping/sauce caked up over them too so they may need to be detailed/cleaned. It's not a pretty job, but grill maintenance that should be done every spring. When the burners get caked is when it's really fun and you need to remove them and clean out the holes with toothpicks. Jenn Air makes quality products, but being a BBQ and outdoors, it's just as vulnerable as any other to elemental and use issues. One last thing to check, some regulators (the disk shaped part right where the hose attaches to the tank) have another air mixture intake there with a screen on one side. Make sure there's no water in it and the opening is face down if you have one like that. Otherwise it's restricting the flow of the propane. I haven't seen one of these in a while, but they're still out there so check it too.

Posted on Jun 10, 2009

  • 11 Answers

SOURCE: poor gas flow. Burners will not stay lit. Gas

Try taking a large hammer or set of vice grips and banging pretty heftily on the tubes feeding the burners. These are usually build ups of Carbon. If not, then make sure your connections are good (sort of move them around to see if they are loose), and make sure your propane is not getting too close to empty (you can shake it around and feel/hear the propane).

Posted on Aug 10, 2009

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1 Answer

When the grill is lit it is not getting hot. Below 200 degrees. It appears not enough gas is getting to burners.


The problem lies with the OPD valve in the gas tank and the grill's regulator.

To solve this problem, first be sure you have adequate gas in the tank. If that checks out OK, do the following:

1. Turn the gas tank valve OFF and disconnect the hose from the tank.

2. Wait 5 minutes and reconnect the hose to the tank.

3. Open the tank valve VERY, VERY SLOWLY (Slow motion, slow).

4. Once the tank valve is fully open, light the burner farthest from the tank first and set the burner
control knob on HIGH. Does the flame height look correct for being set on HIGH? If so, light
the remaining burners the same way. Do all the burner flames look correct? If so, you solved
the problem. Remember, to always open the tank valve Very, Very Slowly.

If that didn't solve the problem, you will need to replace the grill's Hose/Regulator Assembly. It runs about $30.00 at any home center or hardware store that sells grills & accessories. If you replace it, turn the tank valve ON Very, Very Slowly.

Hope this helped you to troubleshoot and solve the problem. Happy Grilling and thanks for choosing FixYa.

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1 Answer

Two problems:my left gas port will not distribute the gas to the burner:second the two other burners distribute gas at a low level even though the burner is on a high setting.I have replaced the tank and...


The problem is more than likely, the new tank. More specifically, the way you opened the ODP tank valve. In most cases, it is solvable,

1. Turn the tank valve OFF and disconnect the hose from the tank.

2. Wait 5 minutes and reconnect the hose to the tank.

3. Open the tank valve VERY, VERY SLOWLY (Slow motion. slow). Once the valve is fully open
light the burner farthest from the tank first and turn the burner to HIGH. Did the burner light and
does the flame height look correct? If so, light the remaining burners the same way. Now, do all
the burners light and the flame heights look correct? If so, you solved the problem.

If the above did not solve the problem, you will need to replace the grill's Hose/Regulator Assembly. It's easy to do and you can pickup one at any hardware store or home center that sells gas grills and accessories for about $30.00. Take your old one with you for comparison purposes.

Hope this helped you troubleshoot and solve the problem. Please let me know and Happy Grilling!!

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If you're confident that you have adequate gas in the tank. turn the tank valve OFF and disconnect the hose from the tank. Wait 5 minutes and reconnect the hose to the tank. Once connected, open the tank valve VERY, VERY SLOWLY (Slow motion, slow). Once the valve is fully open, light the burner farthest from the tank first and turn it to it's highest setting. Does the flame height look correct? If so, light the remaining burners the same way. Do all the flame heights now look correct? If so, you solved the problem. Remember to always open the tank valve very, very slowly.

If the above didn't solve the problem, you are either low on gas or the hose/regulator assembly needs to be replaced. If replacement is necessary, you can find the hose/regulator assembly at any home center or hardware store that sells gas grills and accessories. Take your old one with you for comparison purposes.

Hope this helped you solve the problem. Happy Grilling!!

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1 Answer

The 3 main burners won't light on my Jenn-Aire 720-0163. I replaced the battery box and still no ignition. I have a side burner with separate spark generator, I plugged a wire from one of the main...


Sounds like your regulator is not working properly. You can replace it with a generic from one of your box stores. First try hooking up and unhooking up the gas canister a few times to make sure you are getting a good connection. If you are still not getting enough pressure to make your burners run properly, then replace the regulator. I had the same problem with mine!

Oct 19, 2010 | Jenn-Air Grilling

1 Answer

Flare behind temperature knobs on jenn-air gas grill


This seems to be a problem for most Jenn-Air users. The burners are defective, rusted or clogged and allowing the flame to "back up." You most likely have a melted electronic ignitor as well as gas valve damage. The new burners that I received this week for my model 720-0061-LP are 1/2 inch shorter than previous versions. Time will tell if this fixed the problem. I would call Nexgrill and get all new burners and inspect the gas valve area for damage. Since 2004, I am on my 5th set of burners, glad they were free since I have a lifetime warranty on my model.

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2 Answers

Doesn't seem to be enough gas going into the


Hi am welcome to FixYa. I am Kelly.

1. Does the LPG tank have gas in it?
2. Is it one gas control or more that gives you this symptom? If it is more than one and there is gas in the LPG tank then the LPG regulator can be the problem.
3. There can be debris on the face of the gas orifice where the burner mates to to the gas control selector assy. (Spider webs / grease /dirt)
4. The air hole in the burner can be partially blocked with something (same as above Grease, dirt, cob webs)
5. The holes in the burner itself can be corroded or blocked with something. (This one would be pretty obvious)
6. The gas valve 'heat control may not be functioning properly.
7. There is a very remote possibility that the LPG hose has collapsed.

I would check the orifice and the burner holes for obstructions after verifying the LPG tank is usable. Then the next suspect would be the LPG regulator.

Thanks for using FixYa,

Kelly

Apr 07, 2010 | Weber Genesis Silver C Grill

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You need to pull the burners out and scrub open the side feedholes on the burner. These ususally clog up over time reducing the heat available for cooking. Also, sometimes the Gas regulator goes bad over time when left outside for a year or two. A bad regulator will put out less gas as it fails closed.

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1 Answer

My baby q is sick


Since 1995 all regulators (the part that attaches to the gas tank to regulate the flow of gas) have included a safety device that restricts the flow of gas in the event of a gas leak. This safety device can be inadvertently activated in two ways, putting the grill into what is commonly called “bypass”. The first way for the device to be activated is to leave one or more burner control knobs in the “ON” position when the LP cylinder valve is opened. The second is not to wait long enough to “start” the grill after opening the LP cylinder valve. The safety device in the regulator is activated each time that the LP cylinder valve is opened. The device resets itself when the gas pressure equalizes between the closed burner control valve and the regulator, through the hose. If a burner control knob is turned on before the gas pressure can equalize, the device will remain in “bypass”. The length of time necessary to wait to “start” the grill after turning on the LP cylinder valve is dependent on the length of the hose and outside air temperature. It is always good practice to wait a few seconds after opening the LP cylinder valve before turning on the burner control knob to start the grill.
Keep in mind that the safety device reacts to a gas leak. If a grill is in bypass, the gas connections and hose should be tested for leaks with a soap and water solution.
If the grill is in bypass, after checking for gas leaks do the following to get the grill out of bypass:
To reset the gas safety device:
Open the barbecue lid.
1. Close the LP tank valve.
2. Turn your burner control knob to the OFF position.
3. Wait at least 5 minutes if the barbecue had been lit, then
4. Disconnect the hose from the LP tank.
5. Turn your burner control knob to the HIGH position.
6. Wait at least 2 minutes, and then turn the burner control knob to the OFF position.
7. Re-connect the hose to the LP tank.
Re-lighting the barbecue:
1. Open the barbecue lid.
2. SLOWLY open the LP tank valve all the way and wait 1 minute.
3. With the lid open, turn the burner control knob to the HIGH position.
4. Ignite the grill by pushing the crossover ignition button.
5. Close the barbecue lid.
6. The barbecue should reach 500 to 550 degrees in 10-15 minutes.
When you are done grilling:
1. Turn all burner control knobs to the OFF position
2. Turn off the LP tank valve last.
* Always follow the re-lighting instructions whenever you use the adapter hose and larger tank.

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