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propane pressure on banjo burner


New Forum Member
Dec 3, 2016
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I just picked up a 10" banjo burner from a buddy, and when I attached it to my proper tank to test it, the burner took 25 minutes to boil 3 gallons of water.  According to what I've read about these burners, the burner is not as hot as it should be.

The regulator I received with the burner is not red in color.  (It's blue or blue green.)  I wonder if this is a low pressure regulator?

The flames on the burner are short, and they almost flicker like a candle's light when lit.

If the regulator is a low pressure regulator, will replacing the regulator solve the problem?  Is there anything else that I should be considering?  The burner does have an added fitting that has a shut-off valve on it; the fitting connects the regulator hose to the burner.  It looks like something I've seen on line described as an adapter that will convert a burner from high- to low-pressure (or the other way around).

Thanks in advance for anything you can share to give me some direction.


Greetings hatchethead,

While I don't have any specific experience with banjo burners, I might be able to offer some advise.

1) what color is your flame? It should be a nice crisp blue with no yellow at all.  If there is any yellow, the flame is too rich and is starving for oxygen.  In which case, open the combustion air inlet on the burner slowly while watching the flame to achieve the crisp blue flame.

2) is the flame lifting off the burner at all? If it is, this is an indication that there is too much air.  In which case, close the combustion air inlet on the burner slowly to get the flame to settle down.

3) if the flame is flickering, it's most likely due to a lack of fuel - low pressure.  This issue can be corrected by either increasing the capacity of the regulator or (and this should not be attempted unless there is no other option) drill a larger orifice opening.  The oriface is typically brass and it's the hole in the inlet of the burner just down stream of the hose connection.  That said, a burner will typically require between 4-8" (depending on the burner) of water column pressure to operate and your regulator may not be capable of feeding that amount.  So, that begs the question: did the regulator come with the burner and we're they bought new from a dealer, or were they're bought privatly?  If bought by a vendor, I recommend contacting the vendor.

Final item to check is the valve and connection on the fuel tank.  Perhaps try another tank to see if the problem persists.

Hope this helps!

Good luck!