Propane Grill Regulator Problem??

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Hammerlane, Mar 12, 2013.

  1. Hammerlane

    Hammerlane Member

    Messages:
    263
    Location:
    Ohio
    Dont know if this belongs in this forum but will try:

    Have an older Sunbeam propane grill with a dual main burner and one side burner.
    So three controls where:
    1- is the side burner,
    2- is the left side of the main burner and
    3- is the right side of the main burner

    If I have either 1, 2 or 3 lit, I get a full flame.

    But as soon as I have any combination of them lit, the flame diminishes big time on all.

    I checked all venturis and there are no spider webs or obstructions. I even removed the valves from the burners therefore elimintating any clogs and reattached to propane tank. You can hear the decrease in the "hissing" sound when 2 of the valves are on.

    Propane tank is newly filled and propane tank operates fine on other grill.

    Has anyone had any problems with a regulator going bad?

    Attached Files:

  2. Chad Schloss

    Chad Schloss Member

    Messages:
    330
    Location:
    USA
    I had one get water in it and freeze over the winter. It would light but not stay lit. replaced regulator and was repaired.
  3. Tom Sawyer

    Tom Sawyer In the Trades

    Messages:
    3,308
    Location:
    Maine
    Buy a webber
  4. Hammerlane

    Hammerlane Member

    Messages:
    263
    Location:
    Ohio
    Yeah right...I already have a junk grill.

    Over the winter I was able to obtain a Broilmaster natural gas P3BLW with the bowtie burner. Going to debut it as soon as winter is done.The Sunbeam is just a backup.

    Go big or don't go at all

    Attached Files:

  5. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,313
    Location:
    New England
    Get a TEC http://tecinfrared.com/. Up to temp to cook in 5-minutes, even temp over the entire surface, almost entirely IR so things do not dry out - cooks fast - works just fine in the winter at really low temps as the IR doesn't care.
  6. Hammerlane

    Hammerlane Member

    Messages:
    263
    Location:
    Ohio
    I looked at the infrared ones also. Was not impressed or swayed to go that route. Looked like a lot of cleanup.
  7. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,313
    Location:
    New England
    After finishing, turn it up to high, let it sit for maybe 10-minutes, everything turns to ash...wipe it off. Cleanup couldn't be easier. Now, this company's original burner, now off patent protection, is being used by lots of companies because it is better than a conventional burner (it's about 35% IR, charcoal is about 25% and one reason it cooks better than a regular gas grill). But, a regular grill is nearly 100% convection hot air cooking. TEC's newest burner is 100% infrared...it has a glass plate underneath the grate and on top of the burner so there's no convection cooking at all - it's all IR.
  8. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,237
    Location:
    Cave Creek, Arizona
    Since EVERY burner works properly by itself the problem is NOT in the controls or orifices. You just don't have enough gas flow, and that could be due to a bad regulator or a cylinder valve that limits the flow in case of a bad leak.
  9. Hammerlane

    Hammerlane Member

    Messages:
    263
    Location:
    Ohio
    Turned out to be the regulator. Picked one up from local gas grill house along with an oetiker clamp and a barbed connector. Burner works fine now.

    Only thing is the new regulator only has a single output so I can't use the side burner and the cylinder needs to be rotated 90 degrees an d now I need a bungee to secure it.

    Attached Files:

    Last edited: Mar 14, 2013
  10. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,237
    Location:
    Cave Creek, Arizona
    That is why they make close nipples and tees.
  11. jm66208

    jm66208 Member

    Messages:
    99
    Location:
    KC
    My grill has a wierd habbit of if I turn the bottle on too fast, I barely get a flame...even on high. What I have to do is: turn the bottle off, unhook the hose from the low pressure side of the regulator to "bleed it", reconnect the hose, open the bottle slowly, light the grill, and then I get a decent flame. Cheap Chinese junk... I've talked to other people that have the same problem...
  12. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,313
    Location:
    New England
    FWIW, this is a TEC burner...that's the same type of glass as used on a smooth stovetop and you can place a pan on it directly, or on the grates. Temp range from around 200-900 degrees.

    Attached Files:

  13. Hammerlane

    Hammerlane Member

    Messages:
    263
    Location:
    Ohio
    good point but Have never cooked on the side burner so will not miss it.
  14. Hammerlane

    Hammerlane Member

    Messages:
    263
    Location:
    Ohio
    That thing looks like it should be at the Space Station
  15. Hammerlane

    Hammerlane Member

    Messages:
    263
    Location:
    Ohio
    There is a safety mechanism in the regulator in case of a leak. You can inadvertently activate the safety device without having a gas leak. This typically occurs when you turn on your control knobs before you turn on the LP tank valve, opening the propane cylinder too fast or shutting the cylinder off while the burners are still on.
  16. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,237
    Location:
    Cave Creek, Arizona
    quote: What I have to do is: turn the bottle off, unhook the hose from the low pressure side of the regulator to "bleed it", reconnect the hose, open the bottle slowly,

    The tank has a "valve" in it that detects sudden flow and closes the outlet since it assumes something has broken. It stays closed until you stop the flow and allow it to "drop back" into its open position.
  17. Hammerlane

    Hammerlane Member

    Messages:
    263
    Location:
    Ohio
    Thats it in a nutshell
  18. DonL

    DonL Jack of all trades Master of one

    Messages:
    4,508
    Location:
    Houston, TX

    Was the vent hole on the old regulator open ?

    Did you try the bang method to UN-stick the regulator ?

    Side burners are handy, but not really necessary.

    Nice that you have it working.
  19. Hammerlane

    Hammerlane Member

    Messages:
    263
    Location:
    Ohio
    Old reg did have a vent hole and I did try the bang method a few times.
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