Question about Jenn-Air Grilling

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Uneven burner We are having the same issues as everyone else with 2 burners very low and the third not on at all. We changed the brass burners and still the same problem. We were told by jenn air that the only other thing it could be is the regulator. We changed that as well and still the same problem. We have the Jenn Air 720-0163 pruchased from Lowes. At $770 it is a bit too costly to put out for the garbage but that is what we fell like doing!!! Any help would be appreciated.

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I apologize I've not logged in for some time and do not know what "everyone else" has had issues with.
I can tell you as a grill repair company we get 4-5 calls every week from clients complaining of poor flames, poor heat. The problem has a very simple solution and the problem is not the burners or other parts and (almost never) the regulator.
There are 3 safety features in an LP cylinder. One is a check valve that gauges pressure leaving the tank. This is a swing-arm pressed up by escaping LP. When the gas fills the manifold and gas line (because the BBQ valves all Must Be Off when the cylinder is turned on) the pressure pushes this swing-arm back into position.
The problem usually occurs with newly filled tanks because with the tank full and the OPD float displacing liquid pressure the gas "hits" the check valve swing-arm too hard so instead of registering the pressure leaving the tank the swing-arm is pressed too far and the back-pressure does not reseat it correctly.
The mechanics of the tank are designed to read higher pressure leaving and lower pressure returning as a leak and shuts-down. We still get some flow because of the OPD pushing but the tank will not allow gas flow at the necessary BTU's.
Reset: Turn off everything on the BBQ and the LP cylinder. Disconnect the cylinder and turn the BBQ valves all to "high".
Wait 5 minutes.
Turn everything off again -- and be sure every valve is completely off so no pressure is released.
Reattach the LP cylinder to the regulator and turn the tank on -- very, vert slow for the first full rotation so the gas pressure leaks through slow and cannot "hit" the check valve too hard.
Once the cylinder os all the way on light the BBQ and it will be fine.

Please let us know how it goes.
If I had one dollar for every time someone contacted us to buy burners, regulator, etc only to fix their BBQ while on the telephone with us ... I would retire!

Posted on Feb 10, 2014

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SOURCE: Jenn-Air grill half burner issue

Re: only one side lighting, it is a problem with the cross over **** that carries the flame from one side of the burner to the other. It is located at the rear bottom of the burner and is probably clogged. Wire brush them to clean; failing that, replace with new ones and keep the new ones cleaned with a wire brush regularly.

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SOURCE: i have a jenn air 3 burner grill purchased 4 years

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SOURCE: Jenn Air grill burners only lite on one side

It could be a bad regulator but,highly unlikely . Check your air shutters at the end of the burner tubes and adust them properly.And if you have a OPD propane tank you maybe turning it on to quick causing the check valve inside the gas valve to open half way. Try opening the valve slowly.

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how do you remove burners from Nexgrill 240-0047?

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